Updated 1 hour ago

Size TrueNAS Memory to Your Pool and Workload

Sizing memory by pool size and workload, with the ECC recommendation

As an Amazon Associate we earn from qualifying purchases. Prices and availability come from Amazon.com as of the last update and may change.

Quick answer

TrueNAS needs 8GB minimum, 16GB as a sensible baseline, then roughly 1GB of RAM per TB of pool for the ARC read cache. Media pools can run on less because they are sequential; VMs and apps on SCALE need extra for their guests; deduplication needs about 5GB per TB. ECC memory is recommended so silent bit-flips are caught. The RAM calculator sizes it for your build.

As of October 27, 2026

Lowest price in the tables on this page

$59.99

In-stock listings in the tables on this page

240

Prices updated

1 hour ago

The rule of thumb, and its exceptions

The 1GB-per-TB guideline sizes the ARC cache, not a hard requirement: a large sequential media pool runs fine below it, while a busy multi-user pool benefits from more. Add RAM for anything you host on SCALE, since VMs and containers claim their own memory on top of ZFS.

Deduplication is the one workload that truly demands RAM, at roughly 5GB per TB for its table. Leave it off unless you have measured a real dedup ratio; compression is nearly free and usually the better choice.

ECC memory (UDIMM and SO-DIMM), by price

ECC modules only. Match the form factor and DDR generation your board takes.

Price per

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240 products

Product	Capacity	Price	$ / TB	Type	Prime	Buy
DATO 8GB DDR4 2666MHz ECC SODIMM, PC4-21300, ECC Unbuffered, 260-Pin, 1.2V, CL22, Compatible with Servers and Industrial Systems	8 GB	$59.99	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
NEMIX RAM 8GB (1X8GB) DDR4 2666MHz PC4-21300 2Rx8 1.2V CL19 288-PIN ECC Unbuffered UDIMM Memory Compatible with QNAP RAM-8GDR4ECT0-UD-2666 NAS Memory	8 GB	$69.99	-	DDR4 UDIMM 2666MHzECC	-	Buy on Amazon
OWC 8GB Memory RAM Compatible with Synology DiskStation DS723+ DS923+ \| 8GB PC4-21300 DDR4 2666MHz ECC Unbuff 1Rx8 CL19 260-pin SODIMM	8 GB	$74.99	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
OWC 8GB Memory RAM Compatible with Synology DiskStation DS1525+ DS1825+	8 GB	$74.99	-	DDR4 SO-DIMMECC	-	Buy on Amazon
OWC 8GB DDR4 2666MHz ECC SODIMM 260-pin Memory RAM \| PC4-21300, ECC Unbuffered, 1Rx8, 1.2V, CL19, Compatible with Select Laptops, All-in-One Systems, and NAS Systems	8 GB	$74.99	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
OWC 8GB Memory RAM Compatible with Synology DiskStation DS1522+	8 GB	$74.99	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
OWC 8GB Memory RAM Compatible with Synology RackStation RS2825RP+ SA3400D	8 GB	$74.99	-	DDR4 UDIMMECC	-	Buy on Amazon
OWC 8GB Memory RAM Replacement for Synology D4ES03-8G \| 8GB PC4-21300 DDR4 2666MHz ECC Unbuff 1Rx8 CL19 260-pin SODIMM	8 GB	$74.99	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
OWC 8GB Memory RAM Replacement for Synology D4EU02-8G	8 GB	$74.99	-	DDR4 UDIMMECC	-	Buy on Amazon
OWC 8GB DDR4 3200MHz ECC SODIMM 260-pin Memory RAM \| PC4-25600, ECC Unbuffered, 1Rx8, 1.2V, CL22, Compatible with Select Laptops, All-in-One Systems, and NAS Systems	8 GB	$74.99	-	DDR4 SO-DIMM 3200MHzECC	-	Buy on Amazon
OWC 8GB Memory RAM Compatible with Synology DiskStation DS923+	8 GB	$74.99	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
OWC 8GB Memory RAM Compatible with Synology DiskStation DS1621+ DS1621xs+ \| 8GB PC4-21300 DDR4 2666MHz ECC Unbuff 1Rx8 CL19 260-pin SODIMM	8 GB	$74.99	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
parts-quick 8GB Memory for Synology DiskStation DS3622xs+ Compatible DDR4 2666MHz ECC SODIMM RAM (Equivalent to Synology D4ES02-8G)	8 GB	$79.99	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
parts-quick 8GB Memory for Synology DiskStation DS2422+ Compatible DDR4 ECC SODIMM RAM (Equivalent to Synology D4ES02-8G)	8 GB	$79.99	-	DDR4 SO-DIMMECC	-	Buy on Amazon
parts-quick 8GB Memory for Synology RS822RP+, RS822+, DS3622xs+, DS2422+, DS1522+ Compatible DDR4 ECC Unbuffered SODIMM (Equivalent to Synology D4ES02-8G)	8 GB	$79.99	-	DDR4 SO-DIMMECC	-	Buy on Amazon
Kingston ValueRAM 8GB 2400MHz DDR4 ECC CL17 SODIMM 1Rx8 Laptop Memory (KVR24SE17S8/8)	8 GB	$99.00	-	DDR4 SO-DIMM 2400MHzECC	-	Buy on Amazon
NEMIX RAM 8GB (1X8GB) DDR4 2666MHz PC4-21300 1Rx8 1.2V CL19 260-PIN ECC SODIMM Compatible with Synology Rackstation RS822RP+ NAS	8 GB	$99.99	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
NEMIX RAM 8GB (1X8GB) DDR4 2666MHz PC4-21300 1Rx8 1.2V CL19 260-PIN ECC SODIMM Compatible with Synology Diskstation DS923+ NAS	8 GB	$99.99	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
NEMIX RAM 8GB (1X8GB) DDR4 3200MHz PC4-25600 1Rx8 1.2V CL22 260-PIN ECC Unbuffered SODIMM Compatible with Kingston KSM32SES8/8HD, KSM32SES8/8MR	8 GB	$99.99	-	DDR4 SO-DIMM 3200MHzECC	-	Buy on Amazon
NEMIX RAM 8GB (1X8GB) DDR4 2666MHz PC4-21300 1Rx8 1.2V CL19 260-PIN ECC SODIMM Compatible with Synology D4ES01-8G NAS ECC Unbuffered Memory	8 GB	$99.99	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
NEMIX RAM 8GB (1X8GB) DDR4 2666MHz PC4-21300 1Rx8 1.2V CL19 260-PIN ECC SODIMM Compatible with Compatible with Synology DiskStation DS723+ NAS	8 GB	$99.99	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
8GB DDR4-3200 ECC SODIMM Compatible with UGREEN NASync DXP2800 GT \| PC4-25600 1Rx8 1.2V CL22 260-PIN Unbuffered ECC NAS Memory. Fits UGREEN NASync DXP2800 GT NAS.	8 GB	$99.99	-	DDR4 SO-DIMMECC	-	Buy on Amazon
NEMIX RAM 8GB (1X8GB) DDR4 2666MHZ PC4-21300 1Rx8 1.2V CL19 260-PIN ECC SODIMM Compatible with Compatible with Synology D4ES01-8G ECC Unbuffered Memory	8 GB	$99.99	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
NEMIX RAM 8GB (1X8GB) DDR4 2666MHz PC4-21300 1Rx8 1.2V CL19 260-PIN ECC SODIMM Compatible with Synology D4ES02-8G NAS ECC Unbuffered Memory	8 GB	$99.99	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
NVTEK 8GB RAM Replacement for Synology D4ES01-8G & D4ES02-8G \| DDR4 2666 MHz PC4-21300 SODIMM ECC Unbuffered Memory Compatible for DiskStation and RackStation NAS Systems	8 GB	$99.99	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
8GB DDR4-3200 ECC SODIMM Compatible with Synology D4ES03-8G \| PC4-25600 1Rx8 1.2V CL22 260-PIN Unbuffered ECC NAS Memory. Fits Synology DS925+, DS725+, DS1525+ & more.	8 GB	$99.99	-	DDR4 SO-DIMMECC	-	Buy on Amazon
NEMIX RAM 8GB (1X8GB) DDR4 2666MHz PC4-21300 1Rx8 1.2V CL19 260-PIN ECC SODIMM Compatible with Synology Rackstation RS822+ NAS	8 GB	$99.99	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
NEMIX RAM 8GB (1X8GB) DDR4 3200MHz PC4-25600 1Rx8 1.2V CL22 260-PIN ECC SODIMM	8 GB	$99.99	-	DDR4 SO-DIMM 3200MHzECC	-	Buy on Amazon
8GB DDR4-3200 ECC SODIMM Compatible with Synology DiskStation DS725neo+ \| PC4-25600 1Rx8 1.2V CL22 260-PIN Unbuffered ECC NAS Memory. Fits Synology DiskStation DS725neo+.	8 GB	$99.99	-	DDR4 SO-DIMMECC	-	Buy on Amazon
TRAIX Replacement for Kingston 8GB DDR5 RAM 5600MHz Laptop Memory	8 GB	$109.00	-	DDR5 SO-DIMM 5600MHzECC	-	Buy on Amazon
TRAIX Replacement Micron 8GB DDR5 RAM 5600MHz MTC4C10163S1SC56BG1 BF, Laptop Memory	8 GB	$109.99	-	DDR5 SO-DIMM 5600MHzECC	-	Buy on Amazon
Arch Memory 8GB KSM26SES8/8HD DDR4 SODIMM ECC Replacement for Kingston RAM \| Memory, DDR4, 2666 MHz, SODIMM, ECC, Unbuffered, 1Rx8, 1.2V, 260-pin, PC4-2666V	8 GB	$129.95	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
Arch Memory 8GB KSM26SES8/8MR DDR4 SODIMM ECC Replacement for Kingston RAM	8 GB	$129.95	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
BytecRAM 8GB D4ES03-8G Replacement for Synology DS925+ DDR4-2666 SODIMM ECC \| Memory, Unbuffered, 1Rx8, 1.2V, 260-pin, PC4-2666V	8 GB	$129.95	-	DDR4 SO-DIMMECC	-	Buy on Amazon
Arch Memory 8GB D4ES01-8G DDR4 Replacement for Synology NAS RS1221RP+ RAM	8 GB	$129.95	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
Arch Memory 8GB D4ES02-8G Replacement for Synology NAS System DS1522+ RAM \| Memory, DDR4, 3200 MHz, SODIMM, ECC, Unbuffered, 1.2V, 260-pin, PC4-3200AA	8 GB	$129.95	-	DDR4 SO-DIMM 3200MHzECC	-	Buy on Amazon
RigidRAM 8GB D4ES02-8G for Synology DDR4 3200MHz ECC SODIMM RAM	8 GB	$129.95	-	DDR4 SO-DIMM 3200MHzECC	-	Buy on Amazon
RigidRAM 8GB D4ES02-8G for Synology NAS System DS923+ DDR4 SODIMM RAM	8 GB	$129.95	-	DDR4 SO-DIMMECC	-	Buy on Amazon
RigidRAM 8GB D4ES02-8G for Synology NAS System DS1823xs+ DDR4 SODIMM RAM	8 GB	$129.95	-	DDR4 SO-DIMMECC	-	Buy on Amazon
RigidRAM 8GB D4ES02-8G for Synology NAS System DS723+ DDR4 SODIMM RAM	8 GB	$129.95	-	DDR4 SO-DIMMECC	-	Buy on Amazon
RigidRAM 8GB D4ES02-8G for Synology NAS System DS1522+ DDR4 SODIMM RAM	8 GB	$129.95	-	DDR4 SO-DIMMECC	-	Buy on Amazon
RigidRAM 8GB D4ES02-8G for Synology NAS System RS822RP+ DDR4 SODIMM RAM	8 GB	$129.95	-	DDR4 SO-DIMMECC	-	Buy on Amazon
RigidRAM 8GB D4ES02-8G for Synology NAS System RS822+ DDR4 SODIMM RAM	8 GB	$129.95	-	DDR4 SO-DIMMECC	-	Buy on Amazon
RigidRAM 8GB D4ES02-8G for Synology NAS Systems DDR4 SODIMM Memory	8 GB	$129.95	-	DDR4 SO-DIMMECC	-	Buy on Amazon
RigidRAM 8GB D4ES02-8G for Synology NAS System DS3622xs+ DDR4 SODIMM RAM	8 GB	$129.95	-	DDR4 SO-DIMMECC	-	Buy on Amazon
RigidRAM 8GB D4ES02-8G for Synology NAS Systems 2666 MHz DDR4 SODIMM RAM	8 GB	$129.95	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
RigidRAM 8GB D4ES02-8G for Synology NAS System DS2422+ DDR4 SODIMM RAM	8 GB	$129.95	-	DDR4 SO-DIMMECC	-	Buy on Amazon
Arch Memory 8GB D4ES02-8G DDR4 ECC Replacement for Synology NAS Systems RAM	8 GB	$129.95	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
NEMIX RAM 16GB (1X16GB) DDR4 2400MHz PC4-19200 2Rx8 1.2V CL17 260-PIN ECC SODIMM Compatible with Supermicro MEM-DR416L-CL02-ES24 ECC Unbuffered Memory	16 GB	$129.99	-	DDR4 SO-DIMM 2400MHzECC	-	Buy on Amazon
A-Tech 8GB DDR4 2666MHz PC4-21300 ECC SODIMM 1Rx8 Single Rank 1.2V 260-Pin RAM Memory Upgrade Module for Microserver, Workstation, and Networking Platforms	8 GB	$138.31	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
A-Tech 8GB RAM Replacement for Synology D4EC-2666-8G & D4EU01-8G \| DDR4 2666 MHz PC4-21300 ECC UDIMM Unbuffered DIMM Memory Compatible for NAS & SAN Servers	8 GB	$139.99	-	DDR4 UDIMM 2666MHzECC	-	Buy on Amazon
NEMIX RAM 16GB (1X16GB) DDR4 2933MHz PC4-23400 2Rx8 1.2V CL21 260-PIN ECC SODIMM Compatible with Samsung M474A2K43DB1-CVF ECC Unbuffered Memory	16 GB	$139.99	-	DDR4 SO-DIMM 2933MHzECC	-	Buy on Amazon
OWC 16GB Memory RAM Kit Compatible with Synology DiskStation DS723+ DS923+ \| 16GB (2x8GB) PC4-21300 DDR4 2666MHz ECC Unbuff 1Rx8 CL19 260-pin SODIMM	2 x 8 GB	$149.83	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
OWC 16GB Memory RAM Kit Compat with Synology RackStation RS822+ RS822RP+ \| 16GB (2x8GB) PC4-21300 DDR4 2666MHz ECC Unbuff 1Rx8 CL19 260-pin SODIMM	2 x 8 GB	$149.83	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
OWC 16GB (2x8GB) DDR4 2666MHz ECC SODIMM 260-pin Memory RAM \| PC4-21300, ECC Unbuffered, 1Rx8, 1.2V, CL19, Compatible with Select Laptops, All-in-One Systems, and NAS Systems	2 x 8 GB	$149.83	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
OWC 16GB (2x8GB) DDR4 3200MHz ECC SODIMM 260-pin Memory RAM \| PC4-25600, ECC Unbuffered, 1Rx8, 1.2V, CL22, Compatible with Select Laptops, All-in-One Systems, and NAS Systems	2 x 8 GB	$149.83	-	DDR4 SO-DIMM 3200MHzECC	-	Buy on Amazon
OWC 16GB Memory RAM Kit Compat with Synology RackStation RS1221+ RS1221RP+	16 GB	$149.83	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
OWC 16GB Memory RAM Kit Compat with Synology DiskStation DS1819+ DS1821+ \| 16GB (2x8GB) PC4-21300 DDR4 2666MHz ECC Unbuff 1Rx8 CL19 260-pin SODIMM	2 x 8 GB	$149.83	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
OWC 16GB Memory RAM Replacement for QNAP RAM-16GDR4ECK1-UD-3200	16 GB	$149.99	-	DDR4 UDIMMECC	-	Buy on Amazon
OWC 16GB Memory RAM Replacement for Synology D4EC-2666-16G D4EU01-16G	16 GB	$149.99	-	DDR4 UDIMM 2666MHzECC	-	Buy on Amazon
OWC 16GB Memory RAM Compatible with QNAP TVS-h1288X TVS-h1688X	16 GB	$149.99	-	DDR4 UDIMMECC	-	Buy on Amazon
OWC 16GB DDR4 3200MHz ECC UDIMM 288-pin Memory RAM \| PC4-25600, ECC Unbuffered, 1Rx8, 1.2V, CL22, Compatible with Select Workstations, Servers, and NAS Systems	16 GB	$149.99	-	DDR4 UDIMM 3200MHzECC	-	Buy on Amazon
OWC 16GB DDR4 2666MHz ECC UDIMM 288-pin Memory RAM	16 GB	$149.99	-	DDR4 UDIMM 2666MHzECC	-	Buy on Amazon
OWC 16GB Memory RAM Compatible with Synology RackStation RS2825RP+ SA3400D	16 GB	$149.99	-	DDR4 UDIMMECC	-	Buy on Amazon
OWC 16GB Memory RAM Replacement for Synology D4EU02-16G \| 16GB PC4-21300 DDR4 2666MHz ECC Unbuff 2Rx8 CL19 288-pin DIMM	16 GB	$149.99	-	DDR4 UDIMM 2666MHzECC	-	Buy on Amazon
A-Tech 8GB RAM Replacement for Synology D4ES01-8G & D4ES02-8G \| DDR4 2666 MHz PC4-21300 SODIMM ECC Unbuffered Memory Compatible for DiskStation and RackStation NAS Systems	8 GB	$152.47	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
NEMIX RAM 16GB (1X16GB) DDR4 2666MHz PC4-21300 2Rx8 1.2V CL19 260-PIN ECC Unbuffered SODIMM Workstation, NAS Memory	16 GB	$157.26	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
NEMIX RAM 16GB (1X16GB) DDR4 2666MHz PC4-21300 2Rx8 1.2V CL19 260-PIN ECC Unbuffered SODIMM NAS Memory Compatible with Synology DiskStation DS3617xsII	16 GB	$157.26	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
NEMIX RAM 16GB (1X16GB) DDR4 2666MHz PC4-21300 2Rx8 1.2V CL19 260-PIN ECC Unbuffered SODIMM Compatible with Synology D4ES01-16G NAS Memory	16 GB	$157.26	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
OWC 16GB DDR4 3200MHz ECC SODIMM 260-pin Memory RAM \| PC4-25600, ECC Unbuffered, 1Rx8, 1.2V, CL22, Compatible with Select Laptops, All-in-One Systems, and NAS Systems	16 GB	$157.26	-	DDR4 SO-DIMM 3200MHzECC	-	Buy on Amazon
NEMIX RAM 16GB (1X16GB) DDR4 2666MHz PC4-21300 2Rx8 1.2V CL19 260-PIN ECC Unbuffered SODIMM NAS Memory Compatible with QNAP RAM-16GDR4ECT0-SO-2666	16 GB	$157.26	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
16GB 1X16GB DDR4 2666MHZ PC4-21300 2Rx8 1.2V CL19 260-PIN ECC Unbuffered SODIMM NEMIX RAM Compatible with Synology NAS Memory D4ES03-16G, DiskStation, RackStation, DVA	16 GB	$157.26	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
OWC 16GB Memory RAM Compatible with Synology RackStation RS822+ RS822RP+	16 GB	$157.26	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
NEMIX RAM 16GB (1X16GB) DDR4 2666MHZ PC4-21300 2Rx8 1.2V CL19 260-PIN ECC Unbuffered SODIMM NAS Memory Compatible with Synology Diskstation and Rackstation NAS Device	16 GB	$157.26	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
OWC 16GB Memory RAM Replacement for QNAP RAM-16GDR4ECT0-SO-2666	16 GB	$157.26	-	DDR4 SO-DIMMECC	-	Buy on Amazon
NEMIX RAM 16GB (1X16GB) DDR4 2666MHz PC4-21300 2Rx8 1.2V CL19 260-PIN ECC Unbuffered SODIMM NAS Memory Compatible with Synology DiskStation DS723+	16 GB	$157.26	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
NEMIX RAM 16GB (1X16GB) DDR4 2666MHz PC4-21300 2Rx8 1.2V CL19 260-PIN ECC Unbuffered SODIMM NAS Memory Compatible with Synology Diskstation DS923+	16 GB	$157.26	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
NEMIX RAM 16GB (1X16GB) DDR4 2666MHz PC4-21300 2Rx8 1.2V CL19 260-PIN ECC Unbuffered SODIMM Compatible with Samsung M474A2K43BB1-CTD	16 GB	$157.26	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
NEMIX RAM 16GB (1X16GB) DDR4 2666MHZ PC4-21300 2Rx8 1.2V CL19 260-PIN ECC Unbuffered SODIMM Workstation, NAS Memory Compatible with Hynix HMA82GS7CJR8N-VK	16 GB	$157.26	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
OWC 16GB Memory RAM Compatible with Synology DiskStation DS1522+ \| 16GB PC4-21300 DDR4 2666MHz ECC Unbuff 2Rx8 CL19 260-pin SODIMM	16 GB	$157.26	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
NEMIX RAM 16GB (1X16GB) DDR4 2666MHz PC4-21300 2Rx8 1.2V CL19 260-PIN ECC Unbuffered SODIMM NAS Memory Compatible with Synology DiskStation DS1821+	16 GB	$157.26	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
NEMIX RAM 16GB (1X16GB) DDR4 2666MHZ PC4-21300 2Rx8 1.2V CL19 260-PIN ECC Unbuffered SODIMM NAS Memory Compatible with Synology RackStation RS1221+/RS1221RP+	16 GB	$157.26	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
OWC 16GB Memory RAM Replacement for Synology D4ECSO-2666-16G D4ES01-16G \| 16GB PC4-21300 DDR4 2666MHz ECC Unbuff 2Rx8 CL19 260-pin SODIMM	16 GB	$157.26	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
16GB 1X16GB DDR4 2666MHZ PC4-21300 2Rx8 1.2V CL19 260-PIN ECC Unbuffered SODIMM NEMIX RAM Compatible with Synology NAS Memory D4ES01-16G, DiskStation, RackStation	16 GB	$157.26	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
16GB 1X16GB DDR4 2666MHZ PC4-21300 2Rx8 1.2V CL19 260-PIN ECC Unbuffered SODIMM NEMIX RAM Compatible with Synology D4ECSO-2666-16G FS Series NAS FS1018	16 GB	$157.26	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
16GB 1X16GB DDR4 2666MHZ PC4-21300 2Rx8 1.2V CL19 260-PIN ECC Unbuffered SODIMM NEMIX RAM Compatible with Synology D4ES03-16G NAS 25 Series: DS1825+ DS1525+ DS925+ DS725+	16 GB	$157.26	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
16GB 1X16GB DDR4 2666MHz PC4-21300 2Rx8 1.2V CL19 260-PIN NEMIX RAM NAS ECC Unbuffered SODIMM Compatible with QNAP RAM-16GDR4ECT0-SO-2666	16 GB	$157.26	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
16GB 1X16GB DDR4 2666MHZ PC4-21300 2Rx8 1.2V CL19 260-PIN ECC Unbuffered SODIMM NEMIX RAM Compatible with Synology NAS Memory D4ECSO-2666-16G,D4ES01-16G,D4ES03-16G	16 GB	$157.26	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
16GB 1X16GB DDR4 2666MHZ PC4-21300 2Rx8 1.2V CL19 260-PIN ECC Unbuffered SODIMM NEMIX RAM Compatible with Synology D4ES01-16G NAS 22 Series: RS822RP+ RS822+ DS3622xs+ DS2422+ DS1522+	16 GB	$157.26	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
16GB 1X16GB DDR4 2666MHZ PC4-21300 2Rx8 1.2V CL19 260-PIN ECC Unbuffered SODIMM NEMIX RAM Compatible with Synology D4ES01-16G, D4ES03-16G NAS 23 Series: DS1823xs+ DS923+ DS723+	16 GB	$157.26	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
16GB 1X16GB DDR4 2666MHZ PC4-21300 2Rx8 1.2V CL19 260-PIN ECC Unbuffered SODIMM NEMIX RAM Compatible with Synology NAS Memory D4ECSO-2666-16G, D4ES01-16G, D4ES03-16G	16 GB	$157.26	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
NVTEK 16GB DDR4 2666MHz PC4-21300 CL19 2RX8 ECC Unbuffered SODIMM 1.2V 260-pin Memory RAM Compatible with Synology D4ECSO-2666-16G, D4ES01-16G	16 GB	$157.26	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
NEMIX RAM 16GB (1X16GB) DDR4 3200MHz PC4-25600 1Rx8 1.2V CL22 260-PIN ECC Unbuffered SODIMM Compatible with Kingston KSM32SES8/16HC, KSM32SES8/16MF	16 GB	$158.88	-	DDR4 SO-DIMM 3200MHzECC	-	Buy on Amazon
NEMIX RAM 16GB (1X16GB) DDR4 3200MHz PC4-25600 2Rx8 1.2V CL22 260-PIN ECC Unbuffered SODIMM Compatible with Kingston KSM32SED8/16HD, KSM32SED8/16MR	16 GB	$158.88	-	DDR4 SO-DIMM 3200MHzECC	-	Buy on Amazon
NEMIX RAM 16GB (1X16GB) DDR4 3200MHz PC4-25600 1Rx8 1.2V CL22 260-PIN ECC SODIMM Compatible with Micron MTA9ASF2G72HZ-3G2 ECC Unbuffered Memory	16 GB	$158.88	-	DDR4 SO-DIMM 3200MHzECC	-	Buy on Amazon
16GB DDR4-3200 ECC SODIMM Compatible with UGREEN NASync DXP4800 GT \| PC4-25600 2Rx8 1.2V CL22 260-PIN Unbuffered ECC NAS Memory. Fits UGREEN NASync DXP4800 GT NAS.	16 GB	$158.88	-	DDR4 SO-DIMMECC	-	Buy on Amazon
16GB DDR4-3200 ECC SODIMM Compatible with Synology DiskStation DS725neo+ \| PC4-25600 2Rx8 1.2V CL22 260-PIN Unbuffered ECC NAS Memory. Fits Synology DiskStation DS725neo+.	16 GB	$158.88	-	DDR4 SO-DIMMECC	-	Buy on Amazon
NEMIX RAM 16GB (1X16GB) DDR4 2666MHZ PC4-21300 2Rx8 1.2V CL19 288-PIN ECC Unbuffered UDIMM Memory Compatible with QNAP RAM-16GDR4ECT0-UD-2666 NAS Memory	16 GB	$167.88	-	DDR4 UDIMM 2666MHzECC	-	Buy on Amazon
NEMIX RAM 16GB (1X16GB) DDR4 3200MHz PC4-25600 2Rx8 1.2V CL22 288-PIN ECC Unbuffered UDIMM KIT Compatible with QNAP RAM-16GDR4ECT0-UD-3200 NAS Memory	16 GB	$169.88	-	DDR4 UDIMM 3200MHzECC	-	Buy on Amazon
NEMIX RAM 16GB (1X16GB) DDR4 3200MHz PC4-25600 2Rx8 1.2V CL22 288-PIN ECC Unbuffered UDIMM Compatible with QNAP RAM-16GDR4ECK1-UD-3200 NAS Memory	16 GB	$169.88	-	DDR4 UDIMM 3200MHzECC	-	Buy on Amazon
16GB 1X16GB DDR4 3200MHZ PC4-25600 2Rx8 1.2V CL22 288-PIN NEMIX RAM ECC Unbuffered UDIMM Compatible with QNAP RAM-16GDR4ECK1-UD-3200, RAM-16GDR4ECT0-UD-3200	16 GB	$169.88	-	DDR4 UDIMM 3200MHzECC	-	Buy on Amazon
A-Tech 8GB RAM for Synology RackStation RS1221RP+ NAS \| DDR4 2666MHz PC4-21300 ECC SODIMM 1Rx8 1.2V 260-Pin Memory Upgrade	8 GB	$171.18	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
A-Tech 16GB RAM Replacement for Synology D4EC-2400-16G \| DDR4 2400 MHz PC4-19200 ECC UDIMM Unbuffered DIMM Memory Compatible for NAS & SAN Servers	16 GB	$179.99	-	DDR4 UDIMM 2400MHzECC	-	Buy on Amazon
A-Tech 16GB RAM Replacement for Synology D4ECSO-2400-16G \| DDR4 2400MHz PC4-19200 ECC SODIMM 2Rx8 1.2V 260-Pin Memory Upgrade for NAS DiskStation, RackStation, & FlashStation	16 GB	$179.99	-	DDR4 SO-DIMM 2400MHzECC	-	Buy on Amazon
A-Tech 16GB Kit (2x8GB) RAM for QNAP TS-855eU NAS \| DDR4 2933MHz PC4-23400 ECC SODIMM 1Rx8 1.2V 260-Pin Memory Upgrade	2 x 8 GB	$191.98	-	DDR4 SO-DIMM 2933MHzECC	-	Buy on Amazon
A-Tech 16GB Kit (2x8GB) DDR4 3200MHz PC4-25600 ECC SODIMM 1Rx8 Single Rank 1.2V 260-Pin RAM Memory Upgrade Modules for Microserver, Workstation, and Networking Platforms	2 x 8 GB	$191.98	-	DDR4 SO-DIMM 3200MHzECC	-	Buy on Amazon
A-Tech 16GB RAM Replacement for Synology D4ECSO-2666-16G & D4ES01-16G \| DDR4 2666 MHz PC4-21300 SODIMM ECC Unbuffered Memory Compatible for NAS & NVR Servers	16 GB	$191.99	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
A-Tech 16GB RAM for Synology DiskStation DS3622xs+ NAS \| DDR4 2666MHz PC4-21300 ECC SODIMM 2Rx8 1.2V 260-Pin Memory Upgrade	16 GB	$191.99	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
A-Tech 16GB RAM for Synology RackStation RS1221+ NAS \| DDR4 2666MHz PC4-21300 ECC SODIMM 2Rx8 1.2V 260-Pin Memory Upgrade	16 GB	$191.99	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
A-Tech 16GB RAM for Synology DiskStation DS1821+ NAS \| DDR4 2666MHz PC4-21300 ECC SODIMM 2Rx8 1.2V 260-Pin Memory Upgrade	16 GB	$191.99	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
A-Tech 16GB Memory RAM for Synology DS DS1621+ - DDR4 2666 PC4-21300 ECC SO-DIMM 2Rx8 1.2V - Single NAS Server Upgrade Module (Compatible Replacement for D4ECSO-2666-16G)	16 GB	$191.99	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
A-Tech 16GB RAM for Synology RackStation RS1221RP+ NAS \| DDR4 2666MHz PC4-21300 ECC SODIMM 2Rx8 1.2V 260-Pin Memory Upgrade	16 GB	$191.99	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
A-Tech 16GB Memory RAM for Synology RS RS820 - DDR4 2666 PC4-21300 ECC SO-DIMM 2Rx8 1.2V - Single NAS Server Upgrade Module (Compatible Replacement for D4ECSO-2666-16G)	16 GB	$191.99	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
NEMIX RAM 16GB (2X8GB) DDR4 2666MHz PC4-21300 1Rx8 1.2V CL19 260-PIN ECC SODIMM KIT Compatible with Synology Rackstation RS822+ NAS	2 x 8 GB	$198.99	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
NEMIX RAM 16GB (2X8GB) DDR4 2666MHz PC4-21300 1Rx8 1.2V CL19 260-PIN ECC SODIMM KIT Compatible with Synology Rackstation DS1823xs+ NAS	2 x 8 GB	$198.99	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
NEMIX RAM 16GB (2X8GB) DDR4 2400MHz PC4-19200 2Rx8 1.2V CL17 260-PIN ECC SODIMM KIT	2 x 8 GB	$198.99	-	DDR4 SO-DIMM 2400MHzECC	-	Buy on Amazon
NEMIX RAM 16GB (2X8GB) DDR4 2666MHz PC4-21300 1Rx8 1.2V CL19 260-PIN ECC SODIMM KIT Compatible with Synology DiskStation DS1821+ NAS	2 x 8 GB	$198.99	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
NEMIX RAM 16GB (2X8GB) DDR4 2666MHz PC4-21300 1Rx8 1.2V CL19 260-PIN ECC SODIMM KIT Compatible with Synology Diskstation DS923+ NAS	2 x 8 GB	$198.99	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
2X8GB DDR4-3200 ECC SODIMM Compatible with Synology D4ES03-8G \| PC4-25600 1Rx8 1.2V CL22 260-PIN Unbuffered ECC NAS Memory, 16GB Kit of 2. Fits Synology DS925+, DS725+, DS1525+ & more.	2 x 8 GB	$198.99	-	DDR4 SO-DIMMECC	-	Buy on Amazon
NVTEK 16GB (2X8GB) RAM KIT Replacement for Synology D4ES01-8G & D4ES02-8G \| DDR4 2666 MHz PC4-21300 SODIMM ECC Unbuffered Memory Compatible for DiskStation and RackStation NAS Systems	2 x 8 GB	$198.99	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
2X8GB DDR4-3200 ECC SODIMM Compatible with Synology DiskStation DS725+ \| PC4-25600 1Rx8 1.2V CL22 260-PIN Unbuffered ECC NAS Memory, 16GB Kit of 2. Fits Synology DiskStation DS725+ NAS.	2 x 8 GB	$198.99	-	DDR4 SO-DIMMECC	-	Buy on Amazon
2X8GB DDR4-3200 ECC SODIMM Compatible with Synology DiskStation DS725neo+ \| PC4-25600 1Rx8 1.2V CL22 260-PIN Unbuffered ECC NAS Memory, 16GB Kit of 2. Fits Synology DiskStation DS725neo+.	2 x 8 GB	$198.99	-	DDR4 SO-DIMMECC	-	Buy on Amazon
Arch Memory 16GB KSM26SED8/16HD DDR4-2666 ECC Replacement for Kingston RAM \| Memory, DDR4, 2666 MHz, SODIMM, ECC, Unbuffered, 2Rx8, 1.2V, 260-pin, PC4-2666V	16 GB	$224.95	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
Arch Memory 16GB KSM32SED8/16HD DDR4-3200 ECC Replacement for Kingston RAM	16 GB	$224.95	-	DDR4 SO-DIMM 3200MHzECC	-	Buy on Amazon
Arch Memory 16GB KSM24SED8/16ME DDR4-2400 ECC Replacement for Kingston RAM	16 GB	$224.95	-	DDR4 SO-DIMM 2400MHzECC	-	Buy on Amazon
BytecRAM 16GB KSM32SED8/16HD Replacement for Kingston DDR4-3200 SODIMM ECC	16 GB	$224.95	-	DDR4 SO-DIMMECC	-	Buy on Amazon
Arch Memory 16GB D4ECSO-2666-16G Replacement for 260-Pin DDR4 2666 MHz (PC4-2666V) 2R ECC SODIMM Memory for Synology NAS Systems	16 GB	$224.95	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
Arch Memory 16GB D4ES01-16G Replacement for 260-Pin DDR4 3200 MHz (PC4-3200AA) ECC SODIMM Memory for Synology DS923+ NAS	16 GB	$224.95	-	DDR4 SO-DIMM 3200MHzECC	-	Buy on Amazon
Arch Memory 16GB KSM26SES8/16MF DDR4-2666 ECC Replacement for Kingston RAM	16 GB	$224.95	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
BytecRAM 16GB KSM26SED8/16ME Replacement for Kingston DDR4-2666 SODIMM ECC	16 GB	$224.95	-	DDR4 SO-DIMMECC	-	Buy on Amazon
Arch Memory 16GB KSM26SED8/16ME DDR4-2666 ECC Replacement for Kingston RAM	16 GB	$224.95	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
Arch Memory 16GB D4ES01-16G DDR4 Replacement for Synology NAS Systems RAM \| Memory, DDR4, 3200 MHz, SODIMM, ECC, Unbuffered, 1.2V, 260-pin, PC4-3200AA	16 GB	$224.95	-	DDR4 SO-DIMM 3200MHzECC	-	Buy on Amazon
Arch Memory 16GB D4ES03-16G DDR4-2666 ECC Replacement for Synology NAS RAM	16 GB	$224.95	-	DDR4 SO-DIMMECC	-	Buy on Amazon
Arch Memory 16GB D4ES03-16G DDR4 Replacement for Synology DS925+ NAS RAM \| Memory, DDR4, 2666 MHz, SODIMM, ECC, Unbuffered, 1.2V, 260-pin, PC4-2666V	16 GB	$224.95	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
Synology SODIMM ECC RAM DDR4 4GB (D4ES02-4G)	4 GB	$229.99	-	DDR4 SO-DIMMECC	-	Buy on Amazon
A-Tech 16GB Kit (2x8GB) DDR4 2400MHz PC4-19200 ECC SODIMM 2Rx8 Dual Rank 1.2V 260-Pin RAM Memory Upgrade Modules for Microserver, Workstation, and Networking Platforms	2 x 8 GB	$233.93	-	DDR4 SO-DIMM 2400MHzECC	-	Buy on Amazon
A-Tech 16GB RAM for QNAP TS-855X NAS \| DDR4 2933MHz PC4-23400 ECC-UDIMM 2Rx8 1.2V 288-Pin ECC Unbuffered DIMM Memory Upgrade	16 GB	$239.99	-	DDR4 UDIMM 2933MHzECC	-	Buy on Amazon
Patriot Viper Venom DDR5 RAM 16GB (2X8GB) 6000MT/s CL36 Desktop Memory \| Voltage: 1.35v; Supports Intel XMP and AMD EXPO; Module type: UDIMM.	2 x 8 GB	$246.99	-	DDR5 UDIMM 6000MHzECC	-	Buy on Amazon
Synology SODIMM ECC RAM DDR4 4GB (D4ES01-4G)	4 GB	$248.07	-	DDR4 SO-DIMMECC	-	Buy on Amazon
KLEVV DDR5 16GB (1x16GB) 5600MHz CL46 SODIMM SK Hynix Chip Laptop Ram Memory 1.1V (KD5AGSA80-56G460A)	16 GB	$252.99	-	DDR5 SO-DIMM 5600MHzECC	-	Buy on Amazon
ADATA DDR5 5600 SO-DIMM Memory Module - 16GB High Bandwidth Laptop Memory Module (RAM) - High-Speed 5600MHz - Automatic Error Correction - Compatible with AMD & Intel Platforms - AD5S560016G-S	16 GB	$269.99	-	DDR5 SO-DIMM 5600MHzECC	-	Buy on Amazon
A-Tech 16GB Kit (2x8GB) RAM for Synology RackStation RS2421RP+, RS2821RP+ \| DDR4 2666MHz PC4-21300 ECC-UDIMM 1Rx8 ECC Unbuffered Server Memory Upgrade	2 x 8 GB	$279.98	-	DDR4 UDIMM 2666MHzECC	-	Buy on Amazon
OWC 32GB DDR4 3200MHz ECC SODIMM 260-pin Memory RAM \| PC4-25600, ECC Unbuffered, 2Rx8, 1.2V, CL22, Compatible with Select Laptops, All-in-One Systems, and NAS Systems	32 GB	$279.99	-	DDR4 SO-DIMM 3200MHzECC	-	Buy on Amazon
OWC 32GB Memory RAM Replacement for QNAP RAM-32GDR4ECK0-UD-3200	32 GB	$279.99	-	DDR4 UDIMMECC	-	Buy on Amazon
OWC 32GB Memory RAM Compatible with QNAP TVS-h1288X TVS-h1688X	32 GB	$279.99	-	DDR4 UDIMMECC	-	Buy on Amazon
NEMIX RAM 32GB (1X32GB) DDR4 2666MHZ PC4-21300 2Rx8 1.2V CL19 288-PIN ECC Unbuffered UDIMM Memory Compatible with QNAP RAM-32GDR4ECS0-UD-2666 NAS Memory	32 GB	$288.00	-	DDR4 UDIMM 2666MHzECC	-	Buy on Amazon
NEMIX RAM 32GB (1X32GB) DDR4 3200MHz PC4-25600 2Rx8 1.2V CL22 288-PIN ECC Unbuffered UDIMM Compatible with QNAP RAM-32GDR4ECT0-UD-3200 NAS Memory	32 GB	$298.88	-	DDR4 UDIMM 3200MHzECC	-	Buy on Amazon
NEMIX RAM 32GB (1X32GB) DDR4 2666MHz PC4-21300 2Rx8 1.2V CL19 260-PIN ECC SODIMM Compatible with Samsung M474A4G43MB1-CTD ECC Unbuffered Memory	32 GB	$298.88	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
32GB 1X32GB DDR4 3200MHZ PC4-25600 2Rx8 1.2V CL22 288-PIN NEMIX RAM ECC Unbuffered UDIMM Compatible with QNAP RAM-32GDR4ECK0-UD-3200, RAM-32GDR4ECK1-UD-3200, RAM-32GDR4ECT0-UD-3200	32 GB	$298.88	-	DDR4 UDIMM 3200MHzECC	-	Buy on Amazon
NEMIX RAM 32GB (1X32GB) DDR4 3200MHz PC4-25600 2Rx8 1.2V CL22 288-PIN ECC Unbuffered UDIMM Compatible with QNAP RAM-32GDR4ECK1-UD-3200 NAS Memory	32 GB	$298.88	-	DDR4 UDIMM 3200MHzECC	-	Buy on Amazon
OWC 32GB Memory RAM Kit Compat with Synology RackStation RS2421+ RS2421RP+ \| 32GB (2x16GB) PC4-21300 DDR4 2666MHz ECC Unbuff 2Rx8 CL19 288-pin DIMM	2 x 16 GB	$299.38	-	DDR4 UDIMM 2666MHzECC	-	Buy on Amazon
NEMIX RAM 32GB (1X32GB) DDR4 3200MHz PC4-25600 2Rx8 1.2V CL22 260-PIN ECC Unbuffered SODIMM Compatible with Kingston KSM32SED8/32HC, KSM32SED8/32MF	32 GB	$299.99	-	DDR4 SO-DIMM 3200MHzECC	-	Buy on Amazon
NEMIX RAM 32GB (1X32GB) DDR4 3200MHz PC4-25600 2Rx8 1.2V CL22 260-PIN ECC SODIMM	32 GB	$299.99	-	DDR4 SO-DIMM 3200MHzECC	-	Buy on Amazon
32GB DDR4-3200 ECC SODIMM Compatible with UGREEN NASync DXP2800 GT \| PC4-25600 2Rx8 1.2V CL22 260-PIN Unbuffered ECC NAS Memory. Fits UGREEN NASync DXP2800 GT NAS.	32 GB	$299.99	-	DDR4 SO-DIMMECC	-	Buy on Amazon
NEMIX RAM 32GB (1X32GB) DDR4 3200MHz PC4-25600 2Rx8 1.2V CL22 260-PIN ECC SODIMM Compatible with Samsung M474A4G43AB1-CWE ECC Unbuffered Memory	32 GB	$299.99	-	DDR4 SO-DIMM 3200MHzECC	-	Buy on Amazon
A-Tech 16GB Kit (2x8GB) RAM for QNAP TS-1273AU-RP-8G, TS-1673AU-RP-16G \| DDR4 2400MHz PC4-19200 ECC-UDIMM 1Rx8 ECC Unbuffered Server Memory Upgrade	2 x 8 GB	$311.88	-	DDR4 UDIMM 2400MHzECC	-	Buy on Amazon
NEMIX RAM 32GB (2X16GB) DDR4 2666MHZ PC4-21300 2Rx8 1.2V CL19 260-PIN ECC Unbuffered SODIMM NAS Memory KIT Compatible with Synology Rackstation DS1823xs+	2 x 16 GB	$313.89	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
OWC 32GB (2x16GB) DDR4 3200MHz ECC SODIMM 260-pin Memory RAM \| PC4-25600, ECC Unbuffered, 1Rx8, 1.2V, CL22, Compatible with Select Laptops, All-in-One Systems, and NAS Systems	2 x 16 GB	$313.89	-	DDR4 SO-DIMM 3200MHzECC	-	Buy on Amazon
OWC 32GB Memory RAM Kit Compat with Synology DiskStation DS2422+ DS1823+ \| 32GB (2x16GB) PC4-21300 DDR4 2666MHz ECC Unbuff 2Rx8 CL19 260-pin SODIMM	2 x 16 GB	$313.89	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
OWC 32GB Memory RAM Compatible with Synology RackStation RS822+ RS822RP+ \| 32GB (2x16GB) PC4-21300 DDR4 2666MHz ECC Unbuff 2Rx8 CL19 260-pin SODIMM	2 x 16 GB	$313.89	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
NEMIX RAM 32GB (2X16GB) DDR4 2666MHz PC4-21300 2Rx8 1.2V CL19 260-PIN ECC Unbuffered SODIMM NAS Memory KIT Compatible with Synology DiskStation DS723+	2 x 16 GB	$313.89	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
32GB 2X16GB DDR4 2666MHZ PC4-21300 2Rx8 1.2V CL19 260-PIN ECC Unbuffered SODIMM KIT NEMIX RAM Compatible with Synology NAS D4ES03-16G - 22 Series: RS822RP+ RS822+ DS3622xs+ DS2422+ DS1522+	2 x 16 GB	$313.89	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
32GB 2X16GB DDR4 2666MHZ PC4-21300 2Rx8 1.2V CL19 260-PIN ECC Unbuffered SODIMM KIT NEMIX RAM Compatible with Synology D4ES01-16G, D4ES03-16G NAS 23 Series: DS1823xs+ DS923+ DS723+	2 x 16 GB	$313.89	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
32GB 2X16GB DDR4 2666MHZ PC4-21300 2Rx8 1.2V CL19 260-PIN ECC Unbuffered SODIMM KIT NEMIX RAM Compatible with Synology D4ES01-16G NAS 22 Series: RS822RP+ RS822+ DS3622xs+ DS2422+ DS1522+	2 x 16 GB	$313.89	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
32GB 2X16GB DDR4 2666MHZ PC4-21300 2Rx8 1.2V CL19 260-PIN ECC Unbuffered SODIMM KIT NEMIX RAM Compatible with Synology D4ES03-16G NAS 25 Series: DS1825+ DS1525+ DS925+ DS725+	2 x 16 GB	$313.89	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
NEMIX RAM 32GB (2X16GB) DDR4 2666MHz PC4-21300 2Rx8 1.2V CL19 260-PIN ECC Unbuffered SODIMM KIT Workstation, NAS Memory	2 x 16 GB	$313.89	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
OWC 32GB Memory RAM Kit Replacement for Synology D4ECSO-2666-16G \| 32GB (2x16GB) PC4-21300 DDR4 2666MHz ECC Unbuff 2Rx8 CL19 260-pin SODIMM, Also Replaces Synology D4ES01-16G	2 x 16 GB	$313.89	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
OWC 32GB Memory RAM Compatible with Synology DiskStation DS1819+ DS1821+ \| 32GB (2x16GB) PC4-21300 DDR4 2666MHz ECC Unbuff 2Rx8 CL19 260-pin SODIMM	2 x 16 GB	$313.89	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
NEMIX RAM 32GB (2X16GB) DDR4 2666MHz PC4-21300 2Rx8 1.2V CL19 260-PIN ECC Unbuffered SODIMM NAS Memory KIT Compatible with Synology D4ECSO-2666-16G	2 x 16 GB	$313.89	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
NEMIX RAM 32GB (2X16GB) DDR4 2666MHz PC4-21300 1.2V CL19 260-PIN ECC SODIMM KIT Compatible with Synology DiskStation DS1821 NAS	2 x 16 GB	$313.89	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
OWC 32GB Memory RAM Kit Compat with Synology DiskStation DS1621+ DS1621xs+ \| 32GB (2x16GB) PC4-21300 DDR4 2666MHz ECC Unbuff 2Rx8 CL19 260-pin SODIMM	2 x 16 GB	$313.89	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
OWC 32GB Memory RAM Kit Compatible with Synology DiskStation DS1823xs+ \| 32GB (2x16GB) PC4-21300 DDR4 2666MHz ECC Unbuff 2Rx8 CL19 260-pin SODIMM	2 x 16 GB	$313.89	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
OWC 32GB Memory RAM Kit Compatible with Synology DiskStation DS3617xs \| 32GB (2x16GB) PC4-21300 DDR4 2666MHz ECC Unbuff 2Rx8 CL19 260-pin SODIMM, Also Compatible with DS3617xsII	2 x 16 GB	$313.89	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
OWC 32GB Memory RAM Kit Compatible with Synology DiskStation DS923+ \| 32GB (2x16GB) PC4-21300 DDR4 2666MHz ECC Unbuff 2Rx8 CL19 260-pin SODIMM	2 x 16 GB	$313.89	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
NEMIX RAM 32GB (2X16GB) DDR4 2666MHz PC4-21300 2Rx8 1.2V CL19 260-PIN ECC Unbuffered SODIMM NAS Memory KIT Compatible with Synology Rackstation RS822+	2 x 16 GB	$313.89	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
OWC 32GB Memory RAM Kit Compat with Synology DiskStation DS3018xs DS3622xs+ \| 32GB (2x16GB) PC4-21300 DDR4 2666MHz ECC Unbuff 2Rx8 CL19 260-pin SODIMM	2 x 16 GB	$313.89	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
OWC 32GB Memory Kit Compatible with Synology RackStation RS1221+ RS1221RP+ \| 32GB (2x16GB) PC4-21300 DDR4 2666MHz ECC Unbuff 260-pin SODIMM	2 x 16 GB	$313.89	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
OWC 32GB Memory RAM Kit Compatible with QNAP TS-h973AX \| 32GB (2x16GB) PC4-21300 DDR4 2666MHz ECC Unbuff 2Rx8 CL19 260-pin SODIMM	2 x 16 GB	$313.89	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
OWC 32GB Memory RAM Kit Replacement for Hynix HMA82GS7CJR8N-VK \| 32GB (2x16GB) PC4-21300 DDR4 2666MHz ECC Unbuff 2Rx8 CL19 260-pin SODIMM, Also Replaces Micron MTA18ASF2G72HZ-2G6	2 x 16 GB	$313.89	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
32GB 2X16GB DDR4 2666MHZ PC4-21300 2Rx8 1.2V CL19 260-PIN ECC Unbuffered SODIMM KIT NEMIX RAM Compatible with Synology NAS D4ECSO-2666-16G 21 Series RS1221RP+ RS1221+ DS1821+ DS1621xs+ DS1621+ DVA3221	2 x 16 GB	$313.89	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
NVTEK 32GB (2X16GB) DDR4 2666MHz PC4-21300 CL19 2RX8 ECC Unbuffered SODIMM 1.2V 260-pin Memory RAM KIT Compatible with Synology D4ECSO-2666-16G, D4ES01-16G	2 x 16 GB	$313.89	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
NEMIX RAM 32GB (2X16GB) DDR4 2666MHZ PC4-21300 2Rx8 1.2V CL19 260-PIN ECC Unbuffered SODIMM NAS Memory KIT Compatible with Synology DiskStation DS1621+	2 x 16 GB	$313.89	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
32GB 2X16GB DDR4 2666MHZ PC4-21300 2Rx8 1.2V CL19 260-PIN ECC Unbuffered SODIMM KIT NEMIX RAM Compatible with Synology D4ECSO-2666-16G 17 Series: DS3617xsII DS3617xs	2 x 16 GB	$313.89	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
OWC 32GB Memory RAM Kit Compatible with Synology DiskStation DS1618+ \| 32GB (2x16GB) PC4-21300 DDR4 2666MHz ECC Unbuff 2Rx8 CL19 260-pin SODIMM	2 x 16 GB	$313.89	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
32GB 2X16GB DDR4 2666MHZ PC4-21300 2Rx8 1.2V CL19 260-PIN ECC Unbuffered SODIMM KIT NEMIX RAM Compatible with Synology NAS Memory D4ES01-16G, DiskStation, RackStation	2 x 16 GB	$313.89	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
NEMIX RAM 32GB (2X16GB) DDR4 2666MHZ PC4-21300 2Rx8 1.2V CL19 260-PIN ECC Unbuffered SODIMM NAS Memory KIT Compatible with Synology DiskStation DS3617xsII	2 x 16 GB	$313.89	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
32GB 2X16GB DDR4 2666MHZ PC4-21300 2Rx8 1.2V CL19 260-PIN ECC Unbuffered SODIMM KIT NEMIX RAM Compatible with Synology NAS Memory D4ECSO-2666-16G, D4ES01-16G, D4ES03-16G	2 x 16 GB	$313.89	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
NEMIX RAM 32GB (2X16GB) DDR4 3200MHz PC4-25600 2Rx8 1.2V CL22 260-PIN ECC SODIMM KIT	2 x 16 GB	$317.49	-	DDR4 SO-DIMM 3200MHzECC	-	Buy on Amazon
2X16GB DDR4-3200 ECC SODIMM Compatible with Synology RackStation RS1226RP+ \| PC4-25600 2Rx8 1.2V CL22 260-PIN Unbuffered ECC NAS Memory, 32GB Kit of 2. Fits Synology RackStation RS1226RP+ Rackmount NAS.	2 x 16 GB	$317.49	-	DDR4 SO-DIMMECC	-	Buy on Amazon
2X16GB DDR4-3200 ECC SODIMM Compatible with Synology D4ES03-16G \| PC4-25600 1Rx8 1.2V CL22 260-PIN Unbuffered ECC NAS Memory, 32GB Kit of 2. Fits Synology DS925+, DS725+, DS1525+ & more.	2 x 16 GB	$317.49	-	DDR4 SO-DIMMECC	-	Buy on Amazon
2X16GB DDR4-3200 ECC SODIMM Compatible with Synology DiskStation DS1825+ \| PC4-25600 2Rx8 1.2V CL22 260-PIN Unbuffered ECC NAS Memory, 32GB Kit of 2. Fits Synology DiskStation DS1825+ NAS.	2 x 16 GB	$317.49	-	DDR4 SO-DIMMECC	-	Buy on Amazon
2X16GB DDR4-3200 ECC SODIMM Compatible with Synology DiskStation DS725neo+ \| PC4-25600 2Rx8 1.2V CL22 260-PIN Unbuffered ECC NAS Memory, 32GB Kit of 2. Fits Synology DiskStation DS725neo+.	2 x 16 GB	$317.49	-	DDR4 SO-DIMMECC	-	Buy on Amazon
Kingston FURY Impact 16GB 6400MT/s CL38 DDR5 SODIMM \| Intel XMP 3.0 \| Plug N Play \| Laptop Memory \| Single Module \| KF564S38IB-16	16 GB	$327.83	-	DDR5 SO-DIMM 6400MHzECC	-	Buy on Amazon
NEMIX RAM 32GB (2X16GB) DDR4 2666MHz PC4-21300 2Rx8 1.2V CL19 288-PIN ECC Unbuffered UDIMM Memory KIT	2 x 16 GB	$335.49	-	DDR4 UDIMM 2666MHzECC	-	Buy on Amazon
NEMIX RAM 32GB (2X16GB) DDR4 2666MHZ PC4-21300 2Rx8 1.2V CL19 288-PIN ECC Unbuffered UDIMM Memory KIT Compatible with Synology D4EC-2666-16G NAS Memory	2 x 16 GB	$335.49	-	DDR4 UDIMM 2666MHzECC	-	Buy on Amazon
Synology SODIMM ECC RAM DDR4 8GB (D4ES02-8G)	8 GB	$359.99	-	DDR4 SO-DIMMECC	-	Buy on Amazon
Kingston Technology Fury Impact 16GB 5600MT/s DDR5 CL40 Laptop Memory Single Module \| Lower Power Comsumption \| Intel XMP 3.0 \| Plug N Play \| KF556S40IB-16Sold by Amazon	16 GB	$364.97	-	DDR5 SO-DIMM 5600MHzECC	Prime	Buy on Amazon
A-Tech 32GB RAM for Synology DiskStation DS3622xs+ NAS \| DDR4 2666MHz PC4-21300 ECC SODIMM 2Rx8 1.2V 260-Pin Memory Upgrade	32 GB	$380.18	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
A-Tech 32GB RAM for Synology RackStation RS822RP+ NAS \| DDR4 2666MHz PC4-21300 ECC SODIMM 2Rx8 1.2V 260-Pin Memory Upgrade	32 GB	$380.18	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
A-Tech 32GB (2x16GB) RAM Replacement for Synology D4ECSO-2666-16G, D4ES01-16G \| DDR4 2666MHz PC4-21300 ECC SODIMM 2Rx8 1.2V Memory Upgrade for NAS DiskStation, RackStation, FlashStation, & NVR DVA	2 x 16 GB	$383.98	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
A-Tech 32GB Kit (2x16GB) RAM for Synology RackStation RS822+ NAS \| DDR4 2666MHz PC4-21300 ECC SODIMM 2Rx8 1.2V 260-Pin Memory Upgrade	2 x 16 GB	$383.98	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
A-Tech 32GB Kit (2x16GB) RAM for Synology RackStation RS1221RP+ NAS \| DDR4 2666MHz PC4-21300 ECC SODIMM 2Rx8 1.2V 260-Pin Memory Upgrade	2 x 16 GB	$383.98	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
A-Tech 32GB Kit (2x16GB) RAM for Synology RackStation RS1221+ NAS \| DDR4 2666MHz PC4-21300 ECC SODIMM 2Rx8 1.2V 260-Pin Memory Upgrade	2 x 16 GB	$383.98	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
A-Tech 32GB Kit (2x16GB) RAM for Synology DiskStation DS1522+ NAS \| DDR4 2666MHz PC4-21300 ECC SODIMM 2Rx8 1.2V 260-Pin Memory Upgrade	2 x 16 GB	$383.98	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
A-Tech 32GB Kit (2x16GB) RAM for Synology RackStation RS822RP+ NAS \| DDR4 2666MHz PC4-21300 ECC SODIMM 2Rx8 1.2V 260-Pin Memory Upgrade	2 x 16 GB	$383.98	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
A-Tech 32GB Kit (2x16GB) RAM for Synology DiskStation DS1821+ NAS \| DDR4 2666MHz PC4-21300 ECC SODIMM 2Rx8 1.2V 260-Pin Memory Upgrade	2 x 16 GB	$383.98	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
A-Tech 32GB Kit (2x16GB) RAM for Synology DiskStation DS3622xs+ NAS \| DDR4 2666MHz PC4-21300 ECC SODIMM 2Rx8 1.2V 260-Pin Memory Upgrade	2 x 16 GB	$383.98	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
Arch Memory 32GB KSM26SED8/32HC DDR4-2666 ECC Replacement for Kingston RAM \| Memory, DDR4, 2666 MHz, SODIMM, ECC, Unbuffered, 2Rx8, 1.2V, 260-pin, PC4-2666V	32 GB	$395.95	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
Arch Memory 32GB KSM32SED8/32HD DDR4 Replacement for Kingston RAM 3200 MT/s \| Memory, DDR4, 3200 MHz, SODIMM, ECC, Unbuffered, 2Rx8, 1.2V, 260-pin, PC4-3200AA	32 GB	$395.95	-	DDR4 SO-DIMM 3200MHzECC	-	Buy on Amazon
BytecRAM 32GB KSM26SED8/32ME Replacement for Kingston DDR4-2666 SODIMM ECC \| Memory, Unbuffered, 2Rx8, 1.2V, 260-pin, PC4-2666V	32 GB	$395.95	-	DDR4 SO-DIMMECC	-	Buy on Amazon
Arch Memory 32GB KSM26SED8/32ME DDR4-2666 ECC Replacement for Kingston RAM \| Memory, DDR4, 2666 MHz, SODIMM, ECC, Unbuffered, 2Rx8, 1.2V, 260-pin, PC4-2666V	32 GB	$395.95	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
A-Tech 32GB RAM for QNAP TS-h1886XU-RP R2 NAS \| DDR4 2666MHz PC4-21300 ECC-UDIMM 2Rx8 1.2V 288-Pin ECC Unbuffered DIMM Memory Upgrade	32 GB	$413.99	-	DDR4 UDIMM 2666MHzECC	-	Buy on Amazon
A-Tech 32GB Kit (2x16GB) RAM for Synology RackStation RS3618xs NAS \| DDR4 2133MHz PC4-17000 ECC UDIMM 2Rx8 1.2V 288-Pin Unbuffered DIMM Memory Upgrade	2 x 16 GB	$419.98	-	DDR4 UDIMM 2133MHzECC	-	Buy on Amazon
A-Tech 32GB Kit (2x16GB) RAM for QNAP TS-873A NAS \| DDR4 2400MHz PC4-19200 ECC SODIMM 2Rx8 1.2V 260-Pin Memory Upgrade	2 x 16 GB	$477.37	-	DDR4 SO-DIMM 2400MHzECC	-	Buy on Amazon
32GB DDR5 4800MHZ PC5-38400 1.1V 2Rx8 CL40 288-PIN ECC UDIMM Designed for Motherboards utilizing ONLY Intel Series Processor with Intel W680 Chipset - NOT Compatible with AMD CPU	32 GB	$501.99	-	DDR5 UDIMM 4800MHzECC	-	Buy on Amazon
NEMIX RAM 16GB (1X16GB) DDR5 4800MHz PC5-38400 1Rx8 1.1V CL40 262-PIN ECC SODIMM Unbuffered Memory Compatible with Kingston KSM48T40BS8KI-16HA	16 GB	$509.99	-	DDR5 SO-DIMM 4800MHzECC	-	Buy on Amazon
NEMIX RAM 16GB (1X16GB) DDR5 5600MHz PC5-44800 1Rx8 1.1V CL46 288-PIN ECC SODIMM Unbuffered Memory Compatible with Kingston KSM56T46BS8KM-16HA	16 GB	$519.99	-	DDR5 SO-DIMM 5600MHzECC	-	Buy on Amazon
6X8GB DDR4-3200 ECC UDIMM Compatible with Synology RackStation RS3626xs \| PC4-25600 1Rx8 1.2V CL22 288-PIN Unbuffered ECC NAS Memory, 48GB Kit of 6. Fits Synology RackStation RS3626xs Rackmount NAS.	6 x 8 GB	$534.99	-	DDR4 UDIMMECC	-	Buy on Amazon
NEMIX RAM 64GB (2X32GB) DDR4 2666MHz PC4-21300 2Rx8 1.2V CL19 260-PIN ECC Unbuffered SODIMM Memory KIT	2 x 32 GB	$545.99	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
NEMIX RAM 64GB (2X32GB) DDR4 3200MHz PC4-25600 2Rx8 1.2V CL22 260-PIN ECC Unbuffered SODIMM Memory KIT	2 x 32 GB	$548.88	-	DDR4 SO-DIMM 3200MHzECC	-	Buy on Amazon
OWC 64GB (2x32GB) DDR4 2666MHz ECC SODIMM 260-pin Memory RAM \| PC4-21300, ECC Unbuffered, 2Rx8, 1.2V, CL19, Compatible with Select Laptops, All-in-One Systems, and NAS Systems	2 x 32 GB	$557.18	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
OWC 64GB Memory RAM Kit Compatible with QNAP TS-h973AX TVS-H474-PT-8G \| 64GB (2x32GB) PC4-21300 DDR4 2666MHz ECC Unbuff 2Rx8 CL19 260-pin SODIMM, Also Compatible with TVS-H874-I5-32G TVS-HX74 ZFS	2 x 32 GB	$557.18	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
OWC 64GB Memory RAM Kit Compat with Synology DiskStation DS1621+ DS1621xs+	64 GB	$557.18	-	DDR4 SO-DIMMECC	-	Buy on Amazon
OWC 64GB Memory RAM Kit Compatible with Synology DiskStation DS723+ DS923+	64 GB	$557.18	-	DDR4 SO-DIMMECC	-	Buy on Amazon
OWC 64GB (2x32GB) DDR4 3200MHz ECC SODIMM 260-pin Memory RAM \| PC4-25600, ECC Unbuffered, 2Rx8, 1.2V, CL22, Compatible with Select Laptops, All-in-One Systems, and NAS Systems	2 x 32 GB	$557.18	-	DDR4 SO-DIMM 3200MHzECC	-	Buy on Amazon
OWC 64GB Memory RAM Kit Compat with Synology DiskStation DS1821+ DS2422+	64 GB	$557.18	-	DDR4 SO-DIMMECC	-	Buy on Amazon
Kingston FURY Impact 32GB 5600MT/s DDR5 CL40 Laptop Memory Single Module \| Lower Power Comsumption \| Intel XMP 3.0 \| Plug N Play \| KF556S40IB-32	32 GB	$570.86	-	DDR5 SO-DIMM 5600MHzECC	-	Buy on Amazon
ADATA DDR5 5600 SO-DIMM Memory Module - 32GB High Bandwidth Laptop Memory Module (RAM) - High-Speed 5600MHz - Automatic Error Correction - Compatible with AMD & Intel Platforms - AD5S560032G-S	32 GB	$589.99	-	DDR5 SO-DIMM 5600MHzECC	-	Buy on Amazon
Kingston FURY Impact 32GB (2x16GB) 5600MT/s DDR5 CL40 Laptop Memory Kit of 2 \| Lower Power Consumption \| Intel XMP 3.0 \| Plug N Play \| KF556S40IBK2-32	2 x 16 GB	$599.66	-	DDR5 SO-DIMM 5600MHzECC	-	Buy on Amazon
OWC 64GB Memory RAM Kit Replacement for Synology D4ECSO-2666-16G	4 x 16 GB	$625.27	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
OWC 64GB (4x16GB) DDR4 3200MHz ECC SODIMM 260-pin Memory RAM \| PC4-25600, ECC Unbuffered, 1Rx8, 1.2V, CL22, Compatible with Select Laptops, All-in-One Systems, and NAS Systems	4 x 16 GB	$625.27	-	DDR4 SO-DIMM 3200MHzECC	-	Buy on Amazon
OWC 64GB Memory RAM Kit Replacement for Synology D4ECSO-2666-16G	4 x 16 GB	$625.27	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
A-Tech 64GB Kit (2x32GB) DDR4 2666MHz PC4-21300 ECC SODIMM 2Rx8 Dual Rank 1.2V 260-Pin RAM Memory Upgrade Modules for Microserver, Workstation, and Networking Platforms	2 x 32 GB	$655.48	-	DDR4 SO-DIMM 2666MHzECC	-	Buy on Amazon
NEMIX RAM 64GB (4X16GB) DDR4 3200MHz PC4-25600 2Rx8 1.2V CL22 288-PIN ECC Unbuffered UDIMM KIT	4 x 16 GB	$678.49	-	DDR4 UDIMM 3200MHzECC	-	Buy on Amazon
XPG Lancer Blade RBG DDR5 6000MHz CL30 32GB (2x16GB) PC5-48000 RAM 288-Pins UDIMM Desktop Memory Kit Black Heatsink(AX5U6000C3016G-DTLABRBK)	2 x 16 GB	$749.99	-	DDR5 UDIMM 6000MHzECC	-	Buy on Amazon
A-Tech 64GB Kit (2x32GB) RAM for QNAP TS-855eU-RP NAS \| DDR4 2933MHz PC4-23400 ECC SODIMM 2Rx8 1.2V 260-Pin Memory Upgrade	2 x 32 GB	$827.98	-	DDR4 SO-DIMM 2933MHzECC	-	Buy on Amazon
A-Tech 64GB Kit (2x32GB) RAM for QNAP TS-h886 NAS \| DDR4 2666MHz PC4-21300 ECC-UDIMM 2Rx8 1.2V 288-Pin ECC Unbuffered DIMM Memory Upgrade	2 x 32 GB	$827.98	-	DDR4 UDIMM 2666MHzECC	-	Buy on Amazon
A-Tech 64GB Kit (2x32GB) RAM for QNAP TS-1673AU-RP NAS \| DDR4 2666MHz PC4-21300 ECC-UDIMM 2Rx8 1.2V 288-Pin ECC Unbuffered DIMM Memory Upgrade	2 x 32 GB	$827.98	-	DDR4 UDIMM 2666MHzECC	-	Buy on Amazon
A-Tech 64GB Kit (2x32GB) RAM for QNAP TVS-h1288X NAS \| DDR4 2666MHz PC4-21300 ECC-UDIMM 2Rx8 1.2V 288-Pin ECC Unbuffered DIMM Memory Upgrade	2 x 32 GB	$827.98	-	DDR4 UDIMM 2666MHzECC	-	Buy on Amazon
NEMIX RAM 32GB (1X32GB) DDR5 4800MHZ PC5-38400 2Rx8 1.1V CL40 262-PIN ECC SODIMM Unbuffered Memory Compatible with Kingston KSM48T40BD8KI-32HA, KSM48T40BD8KM-32HM	32 GB	$929.99	-	DDR5 SO-DIMM 4800MHzECC	-	Buy on Amazon

Frequently asked questions

Is 16GB enough for TrueNAS?

For a home NAS up to about 16TB, yes. Beyond that add roughly 1GB per TB for a responsive cache, and add more if you run VMs or apps on SCALE.

Does more RAM make ZFS faster?

Up to a point: more RAM means a larger ARC cache and more reads served from memory. The gains taper once your working set fits in cache, so there is little value buying far beyond the 1GB-per-TB guideline for a home pool.

Do I need ECC RAM for TrueNAS?

It is recommended, not required. ECC catches memory bit-flips before they corrupt data, which suits a filesystem built around integrity. See the ECC RAM for NAS page for the full case.

How much RAM for TrueNAS with VMs?

Add the RAM each VM or container needs on top of the ZFS baseline. Start around 32GB for a pool that also runs a couple of apps, and grow with the guests.

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