Updated 3 hours ago

Upgrade the RAM in Your Synology DS923+

DDR4 SO-DIMM memory for the DS923+, with live prices

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

The Synology DS923+ ships with 4GB and takes 4GB DDR4 ECC SO-DIMM (up to 32GB). The DS923+ uses DDR4 ECC SO-DIMM memory, so buy ECC modules to match. Upgrading to 32GB helps with more users, Docker containers, virtual machines and large photo libraries. The live table lists matching DDR4 SO-DIMM modules.

As of September 12, 2026

Best price per TB

Products tracked

240

Prices updated

3 hours ago

How much RAM does the DS923+ need?

Out of the box the DS923+ has 4GB and supports up to 32GB. For file serving and backups the stock memory is fine. If you run several Docker containers, a virtual machine, Plex with many users, or Synology/QNAP photo indexing on a big library, more RAM noticeably helps.

The DS923+ uses DDR4 ECC SO-DIMM memory, so buy ECC modules to match. ECC memory corrects single-bit errors in flight, which is valued for long-term data integrity; non-ECC is the norm on the cheaper models.

RAM size by workload

Use case	Best choice	Why
File serving and backups	4GB (stock)	The default is enough for SMB shares and scheduled backups.
Plex, photos, a few containers	8GB	Headroom for indexing, thumbnails and caching.
VMs and heavy multi-user	32GB (max)	Virtual machines and many users benefit from the full capacity.

DDR4 SO-DIMM modules for the DS923+

Price per

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240 products

Product	Capacity	Price	$ / TB	Type	Prime	Buy
Samsung 4GB DDR4 SODIMM RAM Module 3200MHz 1Rx16 PC4-3200AA 260-Pin SDRAM Laptop Memory M471A5244CB0-CWEUsed	4 GB	$22.08	-	SO-DIMM · DDR4	-	Buy on Amazon
Samsung 4GB DDR4 PC4-21300, 2666MHZ, 260 PIN SODIMM, 1.2V, CL 19 Laptop ram Memory ModuleUsed	4 GB	$27.99	-	SO-DIMM · DDR4	-	Buy on Amazon
Timetec DDR4-2666 4GB Replacement for Synology D4NESO-2666-4G Non-ECC Unbuffered SODIMM (Compatible for RS820RP+, RS820+, DS920+, DS720+, DS420+, DS220+, DS2419+, DS2419+II, DS1819+, DVA3219, DS1618+)	4 GB	$29.99	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
A-Tech 4GB RAM Replacement for Samsung M471A5244CB0-CTD \| DDR4 2666MHz PC4-21300 1Rx16 1.2V SODIMM 260-Pin Memory Module	4 GB	$30.30	-	SO-DIMM · DDR4	-	Buy on Amazon
Samsung 4GB DDR4 SODIMM RAM Module 3200MHz 1Rx16 PC4-3200AA 260-Pin SDRAM Laptop Memory M471A5244CB0-CWE	4 GB	$31.04	-	SO-DIMM · DDR4	-	Buy on Amazon
A-Tech DDR4 RAM 4GB 2666MHz PC4-21300 SODIMM Laptop MemoryUsed	4 GB	$31.10	-	SO-DIMM · DDR4	Prime	Buy on Amazon
SK Hynix 4GB DDR4 2666MHz SODIMM Memory Module	4 GB	$31.33	-	SO-DIMM · DDR4	-	Buy on Amazon
OWC 4GB DDR4 2666 PC4-21300 CL19 1Rx8 260-pin 1.2V SODIMM Memory RAM Module Upgrade Compatible with Synology DiskStation DS425+	4 GB	$34.99	-	SO-DIMM · DDR4	-	Buy on Amazon
Samsung 4GB DDR4 PC4-21300, 2666MHZ, 260 PIN SODIMM, 1.2V, CL 19 Laptop ram Memory Module	4 GB	$35.33	-	SO-DIMM · DDR4	-	Buy on Amazon
SK Hynix 8GB KIT(2 x 4GB) DDR4 3200MHz PC4-25600 1.2V 1R x 16 SODIMM Laptop RAM Memory Module HMA854S6CJR6N-XN, OEM Package	8 GB	$38.00	-	SO-DIMM · DDR4	-	Buy on Amazon
A-Tech 4GB DDR4 3200 MHz SODIMM PC4-25600 (PC4-3200AA) CL22 Non-ECC Laptop RAM Memory Module	4 GB	$38.05	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
A-Tech DDR4 RAM 4GB 2666MHz PC4-21300 SODIMM Laptop Memory	4 GB	$38.59	-	SO-DIMM · DDR4	-	Buy on Amazon
A-Tech 4GB DDR4 2400 MHz SODIMM PC4-19200 (PC4-2400T) CL17 Non-ECC Laptop RAM Memory Module	4 GB	$42.61	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
SK Hynix 8GB SODIMM DDR4 3200 PC4 1Rx16 HMAA1GS6CJR6N-XN SO-DIMM Laptop RAM Memory for Dell HP Lenovo and Other SystemsUsed	8 GB	$44.89	-	SO-DIMM · DDR4	-	Buy on Amazon
Silicon Power DDR4 8GB 2666 MHz CL19 260-pin Laptop RAM Computer Memory SU008GBSFU266B02EC	8 GB	$47.97	-	SO-DIMM · DDR4	-	Buy on Amazon
Timetec 8GB DDR4 SODIMM for Intel NUC KIT/Mini PC/HTPC/NUC Board 2133MHz PC4-17000 Non-ECC Unbuffered 1.2V CL15 1Rx8 Single Rank 260 Pin Computer Memory Ram Module Upgrade(8GB)	8 GB	$47.99	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
Crucial 4GB DDR4 SDRAM Memory Module - 4 GB - DDR4 SDRAM - 2666 MHz DDR4-2666/PC4-21300 - 1.20 V - Non-ECC - Unbuffered - 260-Pin - SODIMM, 4GB Single Rank	4 GB	$49.77	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
Crucial RAM 8GB DDR4 2666 MHz CL19 Laptop Memory CT8G4SFRA266Used	8 GB	$49.90	-	SO-DIMM · DDR4	-	Buy on Amazon
Silicon Power DDR4 8GB 3200MHz (PC4-25600) CL22 SODIMM 260-Pin 1.2V Non-ECC Laptop RAM Notebook Computer Memory SU008GBSFU320B02AB	8 GB	$49.97	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
Silicon Power DDR4 8GB 3200MHz (PC4-25600) CL22 SODIMM 260-Pin 1.2V Non-ECC Laptop RAM Notebook Computer Memory SU008GBSFU320B02EC	8 GB	$49.97	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
Crucial 8GB, 260-pin SODIMM, DDR4 PC4-19200,Used	8 GB	$49.99	-	SO-DIMM · DDR4	-	Buy on Amazon
Timetec 8GB DDR4 2400MHz (PC4-2400T) PC4-19200 SODIMM Laptop RAM – 260-Pin 1.2V CL17 Non-ECC Unbuffered Memory Module for Laptop, Notebook, Mini PC, All-in-One	8 GB	$50.99	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
Timetec 8GB DDR4 2666MHz (PC4-2666V) PC4-21300 SODIMM Laptop RAM – 260-Pin 1.2V CL19 Non-ECC Unbuffered Memory Module for Laptop, Notebook, Mini PC, All-in-One	8 GB	$50.99	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
Timetec Premium 8GB DDR4 2400MHz (PC4-2400T) PC4-19200 SODIMM Laptop RAM – 260-Pin 1.2V CL17 Non-ECC Unbuffered Memory Module for Laptop, Notebook, Mini PC, All-in-One	8 GB	$50.99	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
SK HYNIX 8GB 1RX8 DDR4 SO-DIMM PC4-21300 2666MHZ Memory Module HMA81GS6JJR8N-VKUsed	8 GB	$50.99	-	SO-DIMM · DDR4	-	Buy on Amazon
Crucial 8GB, 260-pin SODIMM, DDR4 PC4-19200,	8 GB	$51.00	-	SO-DIMM · DDR4	-	Buy on Amazon
OLOy DDR4 RAM 8GB (1x8GB) 2400 MHz CL17 1.2V 260-Pin Laptop Gaming SODIMM for Intel (MD4S082417IZSC)	8 GB	$51.99	-	SO-DIMM · DDR4	-	Buy on Amazon
Crucial 8GB, 260-pin SODIMM, DDR4 PC4-21300,	8 GB	$52.00	-	SO-DIMM · DDR4	-	Buy on Amazon
A-Tech 4GB RAM Replacement for Synology D4NESO-2666-4G \| DDR4 2666 MHz PC4-21300 SODIMM Non-ECC Unbuffered Memory Compatible for NAS & NVR Servers	4 GB	$52.18	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
DATO 8GB RAM DDR4 3200MHz PC4-25600 CL22 SODIMM 1.2V 260-Pin Non-ECC SODIMM Laptop Notebook Memory Module	8 GB	$52.99	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
Crucial RAM 8GB DDR4 2666 MHz CL19 Laptop Memory CT8G4SFRA266	8 GB	$53.00	-	SO-DIMM · DDR4	-	Buy on Amazon
Timetec 8GB DDR4 3200MHz (PC4-3200AA) PC4-25600 SODIMM Laptop RAM – 260-Pin 1.2V CL22 Non-ECC Unbuffered Memory Module for Laptop, Notebook, Mini PC, All-in-One	8 GB	$53.99	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
Timetec Premium 8GB DDR4 3200MHz (PC4-3200AA) PC4-25600 SODIMM Laptop RAM – 260-Pin 1.2V CL22 Non-ECC Unbuffered Memory Module for Laptop, Notebook, Mini PC, All-in-One	8 GB	$53.99	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
A-Tech 8GB DDR4 2133 MHz SODIMM PC4-17000 (PC4-2133P) CL15 Non-ECC Laptop RAM Memory Module	8 GB	$54.36	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
A-Tech 8GB DDR4 2400 MHz SODIMM PC4-19200 (PC4-2400T) CL17 Non-ECC Laptop RAM Memory Module	8 GB	$56.20	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
SK HYNIX 8GB 1RX8 DDR4 SO-DIMM PC4-21300 2666MHZ Memory Module HMA81GS6JJR8N-VK	8 GB	$56.30	-	SO-DIMM · DDR4	-	Buy on Amazon
Arch Memory 4GB D4NESO-2666-4G Replacement for 260-Pin DDR4 2666 MHz (PC4-2666V) SODIMM Memory for Synology NAS DS220+ & DS224+	4 GB	$56.95	-	SO-DIMM · DDR4	-	Buy on Amazon
NEMIX RAM 8GB (1X8GB) DDR4 2666MHz PC4-21300 2Rx8 1.2V CL19 260-PIN Non-ECC SODIMM Compatible with QNAP RAM 8GDR4K0-SO-2666 NAS Memory	8 GB	$56.99	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
TEAMGROUP Elite DDR4 8GB Single 3200MHz PC4-25600 CL22 Unbuffered Non-ECC 1.2V SODIMM 260-Pin Laptop Notebook PC Computer Memory Module Ram Upgrade - TED48G3200C22-S01	8 GB	$57.99	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
KLEVV DDR4 8GB (1x8GB) 3200MHz CL22 1.2V SODIMM Laptop Ram Memory SK Hynix Chip (KD48GS880-32N220A)	8 GB	$57.99	-	SO-DIMM · DDR4	-	Buy on Amazon
Samsung 8GB DDR4 3200MHz PC4-25600 (PC4-3200AA) CL22 SODIMM 1Rx16 Single Rank 1.2V 260-Pin Laptop, Notebook RAM Memory	8 GB	$58.47	-	SO-DIMM · DDR4	-	Buy on Amazon
A-Tech DDR4 RAM 8GB 2666MHz PC4-21300 SODIMM Laptop Memory	8 GB	$58.69	-	SO-DIMM · DDR4	-	Buy on Amazon
SAMSUNG M471A1K43CB1-CRC 8GB DDR4 2400MH Memory Module (8 GB, 1 x 8 GB, DDR4, 2400 MHz, 260-Pin SO-DIMM)	8 GB	$59.75	-	SO-DIMM · DDR4	-	Buy on Amazon
OWC 8GB DDR4 2666 PC4-21300 CL19 2Rx8 260-pin 1.2V Non-ECC SODIMM Memory RAM Module Upgrade Compatible with Synology DiskStation DS220+ DS420+ DS423+ DS720+ DS920+	8 GB	$59.99	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
parts-quick 8GB Compatible Memory for QNAP NAS Servers TVS-h674T DDR4 3200MHz SODIMM RAM (Equivalent to RAM-8GDR4K0-SO-3200)	8 GB	$59.99	-	SO-DIMM · DDR4	-	Buy on Amazon
OWC 8GB Replacement for QNAP RAM-8GDR4T0-SO-2666 8GB DDR4 2666 PC4-21300 CL19 1Rx8 260-pin 1.2V Non-ECC SODIMM Memory RAM Module Upgrade	8 GB	$59.99	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
OWC 8GB DDR4 3200MHz Non-ECC SODIMM 260-pin Memory RAM	8 GB	$59.99	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
SK Hynix 8GB SODIMM DDR4 3200 PC4 1Rx16 HMAA1GS6CJR6N-XN SO-DIMM Laptop RAM Memory for Dell HP Lenovo and Other Systems	8 GB	$60.51	-	SO-DIMM · DDR4	-	Buy on Amazon
SAMSUNG M471A1K43CB1-CTD 2666MHz Memory Modules (8GB, 1 x 8GB, DDR4, 2666 MHz, 260-Pin SO-DIMM, Black, Green)	8 GB	$62.74	-	SO-DIMM · DDR4	-	Buy on Amazon
Kingston KVR26S19S8/8 Valueram - DDR4-8 GB - SO-DIMM 260-Pin - 2666 MHz/PC4-21300 - CL19-1.2 V - Unbuffered - Non-ECC	8 GB	$63.00	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
A-Tech 8GB RAM for Synology DiskStation DS220+ NAS \| DDR4 2400MHz PC4-19200 SODIMM 1.2V 260-Pin Non-ECC SO-DIMM Memory Upgrade	8 GB	$64.50	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
A-Tech 8GB RAM for Synology DiskStation DS1520+ NAS \| DDR4 2400MHz PC4-19200 SODIMM 1.2V 260-Pin Non-ECC SO-DIMM Memory Upgrade	8 GB	$64.50	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
A-Tech 8GB RAM for Synology DiskStation DS720+ NAS \| DDR4 2400MHz PC4-19200 SODIMM 1.2V 260-Pin Non-ECC SO-DIMM Memory Upgrade	8 GB	$64.50	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
Samsung 8GB M471A1K43DB1-CTD DDR4 PC4-21300, 2666MHZ, 260 Pin SODIMM, 1.2V, CL 19 Laptop Memory	8 GB	$65.54	-	SO-DIMM · DDR4	-	Buy on Amazon
A-Tech 8GB DDR4 3200 MHz SODIMM PC4-25600 (PC4-3200AA) CL22 Non-ECC Laptop RAM Memory Module	8 GB	$67.72	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
Kingston 8GB DDR4 2666MHZ SODIMM	8 GB	$68.00	-	SO-DIMM · DDR4	-	Buy on Amazon
A-Tech 8GB RAM for Synology DiskStation DS920+ NAS \| DDR4 2400MHz PC4-19200 SODIMM 1.2V 260-Pin Non-ECC SO-DIMM Memory Upgrade	8 GB	$68.18	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
Hynix HMA82GS6AFR8N-UH 16GB DDR4-2400 SODIMMUsed	16 GB	$68.99	-	SO-DIMM · DDR4	-	Buy on Amazon
ADATA Premier 8GB (1x8GB) DDR4 3200MHz CL22 PC4-25600 260-Pin SODIMM Memory RAM Single Pack(AD4S32008G22-SGN)	8 GB	$69.69	-	SO-DIMM · DDR4	-	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	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
Kingston Technology (KVR24S17S8/8) ValueRAM 8GB 2400Mhz DDR4 Non-ECC CL17 SODIMM 1Rx8	8 GB	$72.99	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
OWC 8GB DDR4 RAM Compatible with Synology DiskStation DS723+ and DS923+ NAS System 2666MHz PC4-21300 CL19 ECC Unbuffered SODIMM 2Rx8 1.2V Memory Upgrade	8 GB	$74.99	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
OWC 8GB DDR4 2666 PC4-21300 CL19 1Rx8 260-pin 1.2V ECC Unbuffered SODIMM Memory RAM Module Upgrade Compatible with Synology DiskStation DS1525+ DS1825+ DS1825xs+ DS725+ DS925+	8 GB	$74.99	-	SO-DIMM · DDR4ECC	-	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	$74.99	-	SO-DIMM · DDR4ECC	-	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	$74.99	-	SO-DIMM · DDR4ECC	-	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	$74.99	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
OWC 8GB DDR4 2666MHz ECC SODIMM 260-pin Memory RAM	8 GB	$74.99	-	SO-DIMM · DDR4ECC	-	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	$74.99	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
PUSKILL DDR4 Laptop RAM 16GB 3200MHz (PC4-25600) 260-Pin SODIMM CL22 1.2V - Single Module, Plug and Play Memory Upgrade for Laptops, Compatible with Intel & AMD	16 GB	$76.13	-	SO-DIMM · DDR4	-	Buy on Amazon
A-Tech 8GB RAM for QNAP TVS-h474 NAS \| DDR4 3200MHz PC4-25600 SODIMM 1.2V 260-Pin Non-ECC SO-DIMM Memory Upgrade	8 GB	$76.75	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
SK HYNIX 16GB 2RX8 DDR4 SO-DIMM PC4-21300 2666MHZ Memory Module HMA82GS6JJR8N-VKUsed	16 GB	$78.36	-	SO-DIMM · DDR4	-	Buy on Amazon
Kingston KVR26S19D8/16 Valueram - DDR4-16 GB - SO-DIMM 260-Pin - 2666 MHz/PC4-21300 - CL19-1.2 V - Unbuffered - Non-ECCUsed	16 GB	$79.00	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
A-Tech 8GB RAM for QNAP TS-464 NAS \| DDR4 2933MHz PC4-23400 SODIMM 1.2V 260-Pin Non-ECC SO-DIMM Memory Upgrade	8 GB	$79.43	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
A-Tech 8GB RAM for QNAP TS-864eU-RP NAS \| DDR4 2933MHz PC4-23400 SODIMM 1.2V 260-Pin Non-ECC SO-DIMM Memory Upgrade	8 GB	$79.43	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
A-Tech 8GB RAM for QNAP TS-664 NAS \| DDR4 2933MHz PC4-23400 SODIMM 1.2V 260-Pin Non-ECC SO-DIMM Memory Upgrade	8 GB	$79.43	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
Samsung 16GB DDR4 3200MHz SODIMM PC4-25600 CL22 2Rx8 1.2V 260-Pin SO-DIMM Laptop Notebook RAM Memory Module M471A2K43DB1-CWEUsed	16 GB	$79.99	-	SO-DIMM · DDR4	-	Buy on Amazon
Synology SODIMM ECC RAM DDR4 4GB (D4ES02-4G)Used	4 GB	$79.99	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
Synology SODIMM Non-ECC RAM DDR4 4GB (D4NS01-4G)Used	4 GB	$79.99	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
PUSKILL DDR4 Laptop RAM 16GB Kit (2x8GB) 3200MHz (PC4-25600) 260-Pin SODIMM CL22 1.2V - Plug and Play Upgrade for Gaming Laptops and Notebooks, Compatible with Intel & AMD	16 GB	$80.99	-	SO-DIMM · DDR4	-	Buy on Amazon
Hynix HMA82GS6AFR8N-UH 16GB DDR4-2400 SODIMM	16 GB	$81.01	-	SO-DIMM · DDR4	-	Buy on Amazon
16GB DDR4 3200MHz PC4-25600 1.2V 2Rx8 260-Pin SODIMM Laptop RAM Memory Module M471A2K43DB1-CWEUsed	16 GB	$85.39	-	SO-DIMM · DDR4	-	Buy on Amazon
Timetec 16GB DDR4 2133MHz (PC4-2133P) PC4-17000 SODIMM Laptop RAM – 260-Pin 1.2V CL15 Non-ECC Unbuffered Memory Module for Laptop, Notebook, Mini PC, All-in-One	16 GB	$85.99	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
Kingston Fury Impact 8 GB 3200MHz DDR4 CL20 Laptop Memory Single Module KF432S20IB/8Used	8 GB	$86.13	-	SO-DIMM · DDR4	Prime	Buy on Amazon
Crucial 16GB, 260-pin SODIMM, DDR4 PC4-19200,	16 GB	$88.75	-	SO-DIMM · DDR4	-	Buy on Amazon
PNY Performance 16GB (2x8GB) DDR4 DRAM 3200MHz (PC4-25600) CL22 (Compatible with 2933MHz, 2666MHz, 2400MHz or 2133MHz) 1.2V Notebook/Laptop (SODIMM) Computer Memory Kit – MN16GK2D43200-TBUsed	16 GB	$89.00	-	SO-DIMM · DDR4	-	Buy on Amazon
PNY XLR8 Gaming 16GB DDR4 3200MHz (PC4-25600) CL20 1.2V Notebook/Laptop (SODIMM) Computer Memory – MN16GSD43200X	16 GB	$89.99	-	SO-DIMM · DDR4	Prime	Buy on Amazon
Timetec 16GB DDR4 2666MHz (PC4-2666V) PC4-21300 SODIMM Laptop RAM – 260-Pin 1.2V CL19 Non-ECC Unbuffered Memory Module for Laptop, Notebook, Mini PC, All-in-One	16 GB	$90.99	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
A-Tech 16GB DDR4 2133 MHz SODIMM PC4-17000 (PC4-2133P) CL15 2Rx8 Non-ECC Laptop RAM Memory Module	16 GB	$91.38	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
NEMIX RAM 16GB (1X16GB) DDR4 2666MHz PC4-21300 2Rx8 1.2V CL19 260-PIN Non-ECC SODIMM Compatible with QNAP RAM-16GDR4K1-SO-2666 NAS Memory	16 GB	$92.99	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
NEMIX RAM 16GB (1X16GB) DDR4 2666MHz PC4-21300 2Rx8 1.2V CL19 260-PIN Non-ECC SODIMM Compatible with QNAP RAM 16GDR4T0-SO-2666 NAS Memory	16 GB	$92.99	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
Crucial 16GB kit (8GBx2), 260-pin SODIMM, DDR4 PC4-19200,	16 GB	$93.00	-	SO-DIMM · DDR4	-	Buy on Amazon
Timetec 16GB DDR4 3200MHz (PC4-3200AA) PC4-25600 SODIMM Laptop RAM – 260-Pin 1.2V CL22 Non-ECC Unbuffered Memory Module for Laptop, Notebook, Mini PC, All-in-One	16 GB	$95.99	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
Timetec Premium 16GB DDR4 3200MHz (PC4-3200AA) PC4-25600 SODIMM Laptop RAM – 260-Pin 1.2V CL22 Non-ECC Unbuffered Memory Module for Laptop, Notebook, Mini PC, All-in-One	16 GB	$95.99	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
Timetec 16GB KIT (2x8GB) DDR4 2666MHz (PC4-2666V) PC4-21300 SODIMM Laptop RAM – 260-Pin 1.2V CL19 Non-ECC Unbuffered Memory Module for Laptop, Notebook, Mini PC, All-in-One	16 GB	$95.99	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
A-Tech 16GB DDR4 2400 MHz SODIMM PC4-19200 (PC4-2400T) CL17 2Rx8 Non-ECC Laptop RAM Memory Module	16 GB	$96.46	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
Silicon Power DDR4 16GB 3200MHz (PC4-25600) CL22 SODIMM 260-Pin 1.2V Non-ECC Laptop RAM Notebook Computer Memory SU016GBSFU320B02EC	16 GB	$97.97	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
TEAMGROUP Elite DDR4 16GB Kit (2 x 8GB) 3200MHz PC4-25600 CL22 Unbuffered Non-ECC 1.2V SODIMM 260-Pin Laptop Notebook PC Computer Memory Module Ram Upgrade - TED416G3200C22DC-S01	16 GB	$97.99	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
Kingston ValueRAM 8GB 2400MHz DDR4 ECC CL17 SODIMM 1Rx8 Laptop Memory (KVR24SE17S8/8)	8 GB	$99.00	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
Crucial 16GB, 260-pin SODIMM, DDR4 PC4-21300,	16 GB	$99.00	-	SO-DIMM · DDR4	-	Buy on Amazon
PNY Performance 16GB (2x8GB) DDR4 DRAM 3200MHz (PC4-25600) CL22 (Compatible with 2933MHz, 2666MHz, 2400MHz or 2133MHz) 1.2V Notebook/Laptop (SODIMM) Computer Memory Kit – MN16GK2D43200-TB	16 GB	$99.99	-	SO-DIMM · DDR4	Prime	Buy on Amazon
G.SKILL Ripjaws DDR4 SO-DIMM Series DDR4 RAM 16GB (1x16GB) 3200MT/s CL22-22-22-52 1.20V Unbuffered Non-ECC Notebook/Laptop Memory SO-DIMM (F4-3200C22S-16GRS)Used	16 GB	$99.99	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
DATO 16GB RAM DDR4 3200MHz PC4-25600 CL22 SODIMM 1.2V 260-Pin Non-ECC SODIMM Laptop Notebook Memory Module	16 GB	$99.99	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
ADATA Premier 16GB (1x16GB) DDR4 3200MHz CL22 PC4-25600 260-Pin SODIMM Memory RAM Single Pack(AD4S320016G22-SGN)	16 GB	$99.99	-	SO-DIMM · DDR4	-	Buy on Amazon
Kingston Fury Impact 8 GB 3200MHz DDR4 CL20 Laptop Memory Single Module KF432S20IB/8	8 GB	$99.99	-	SO-DIMM · DDR4	-	Buy on Amazon
A-Tech 16GB RAM for QNAP TS-932PX NAS \| DDR4 2133MHz PC4-17000 SODIMM 2Rx8 1.2V 260-Pin Non-ECC SO-DIMM Memory Upgrade	16 GB	$103.21	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
Samsung 16GB DDR4 PC4-21300, 2666MHZ, 260 PIN SODIMM, 1.2V, CL 19 laptop ram memory module	16 GB	$103.99	-	SO-DIMM · DDR4	-	Buy on Amazon
Samsung 16GB DDR4 2666MHz PC4-21300 (PC4-2666V) CL19 SODIMM 2Rx8 Dual Rank 1.2V 260-Pin Laptop, Notebook RAM Memory	16 GB	$104.09	-	SO-DIMM · DDR4	-	Buy on Amazon
A-Tech DDR4 RAM 16GB 2666MHz PC4-21300 SODIMM Laptop Memory	16 GB	$104.68	-	SO-DIMM · DDR4	-	Buy on Amazon
NVTEK 16GB (1X16GB) DDR4 3200MHz PC4-25600 SODIMM 2Rx8 1.2V CL22 260-PIN Non-ECC Laptop PC Computer Memory	16 GB	$104.79	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
Crucial 16GB Kit (8GB x 2) DDR4 2666 MT/s (PC4-21300) SODIMM 260-Pin Memory - CT2K8G4SFRA266	16 GB	$104.98	-	SO-DIMM · DDR4	-	Buy on Amazon
G.SKILL Ripjaws DDR4 SO-DIMM Series DDR4 RAM 16GB (2x8GB) Up to 2400MT/s* CL16-16-16-39 1.20V Unbuffered Non-ECC Notebook/Laptop Memory SO-DIMM (F4-2400C16D-16GRS)	16 GB	$104.99	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
Crucial 16GB DDR4 2666 MT/s (PC4-21300) SODIMM 260-Pin Memory - CT16G4SFRA266	16 GB	$105.00	-	SO-DIMM · DDR4	-	Buy on Amazon
Samsung 16GB DDR4 3200MHz PC4-25600 (PC4-3200AA) CL22 SODIMM 1Rx8 Single Rank 1.2V 260-Pin Laptop, Notebook RAM MemoryUsed	16 GB	$105.00	-	SO-DIMM · DDR4	-	Buy on Amazon
SK HYNIX 16GB 2RX8 DDR4 SO-DIMM PC4-21300 2666MHZ Memory Module HMA82GS6JJR8N-VK	16 GB	$105.05	-	SO-DIMM · DDR4	-	Buy on Amazon
A-Tech 16GB Module for QNAP TVS-472XT TVS-672XT TVS-872XT NAS Servers - DDR4 2666MHz PC4-21300 Non-ECC SODIMM 1.2V Memory RAM (Replacement for QNAP RAM-16GDR4T0-SO-2666)	16 GB	$106.99	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
A-Tech 16GB Module for Synology DS1618+ Laptop & Notebook Compatible DDR4 2400Mhz Memory Ram (ATMS362584A25831X1)	16 GB	$108.11	-	SO-DIMM · DDR4	-	Buy on Amazon
Samsung SODIMM 16GB PC4 3200 DDR4 1Rx8 M471A2G43AB2-CWE Laptop Notebook RAM Memory for Dell HP Lenovo	16 GB	$108.40	-	SO-DIMM · DDR4	-	Buy on Amazon
Samsung 16GB DDR4 3200MHz SODIMM PC4-25600 CL22 2Rx8 1.2V 260-Pin SO-DIMM Laptop Notebook RAM Memory Module M471A2K43DB1-CWE	16 GB	$108.47	-	SO-DIMM · DDR4	-	Buy on Amazon
Crucial 16GB DDR4 RAM, 3200MHz CL22 (or 2933MHz or 2666MHz) Laptop Memory, SODIMM 260-Pin, Compatible with 13th Gen Intel Core and AMD Ryzen 7000 - CT16G4SFRA32AUsed	16 GB	$109.59	-	SO-DIMM · DDR4	-	Buy on Amazon
parts-quick 16GB Memory for QNAP TS-832PX Compatible DDR4-2400 260 PIN RAM Module SODIMM	16 GB	$109.97	-	SO-DIMM · DDR4	-	Buy on Amazon
G.SKILL Ripjaws DDR4 SO-DIMM Series DDR4 RAM 16GB (2x8GB) 2666MT/s CL19-19-19-43 1.20V Unbuffered Non-ECC Notebook/Laptop Memory SO-DIMM (F4-2666C19D-16GRS)	16 GB	$109.99	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
G.SKILL Ripjaws DDR4 SO-DIMM Series DDR4 RAM 16GB (2x8GB) 3200MT/s CL22-22-22-52 1.20V Unbuffered Non-ECC Notebook/Laptop Memory SO-DIMM (F4-3200C22D-16GRS)	16 GB	$109.99	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
OWC 16GB Replacement for QNAP RAM-16GDR4T0-SO-2666 RAM-16GDR4K0-SO-2666 RAM-16GDR4K1-SO-2666 16GB DDR4 2666 PC4-21300 CL19 2Rx8 260-pin 1.2V Non-ECC SODIMM Memory RAM Module Upgrade	16 GB	$109.99	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
OWC 16GB DDR4 3200MHz Non-ECC SODIMM 260-pin Memory RAM	16 GB	$109.99	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
Samsung 16GB DDR4 3200MHz PC4-25600 (PC4-3200AA) CL22 SODIMM 1Rx8 Single Rank 1.2V 260-Pin Laptop, Notebook RAM Memory	16 GB	$110.42	-	SO-DIMM · DDR4	-	Buy on Amazon
Crucial 16GB DDR4-2666 SODIMM for Mac	16 GB	$110.65	-	SO-DIMM · DDR4	-	Buy on Amazon
A-Tech 16GB RAM for QNAP TS-1232PXU-RP NAS \| DDR4 2133MHz PC4-17000 DIMM 2Rx8 1.2V 288-Pin Non-ECC UDIMM Memory Upgrade	16 GB	$111.81	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
A-Tech 16GB (2x8GB) DDR4 2400 MHz SODIMM PC4-19200 (PC4-2400T) CL17 Non-ECC Laptop RAM Memory Modules	16 GB	$112.40	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
【DDR4 RAM Laptop Only】 GIGASTONE 16GB Kit (2x8GB) DDR4 3200MHz (2933MHz or 2666MHz) PC4-25600 (PC4-23400/21300) CL22 1.2V SODIMM 260 Pin Unbuffered Non ECC High Performance Notebook Memory Upgrade	16 GB	$112.49	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
A-Tech 16GB DDR4 3200 MHz SODIMM PC4-25600 (PC4-3200AA) CL22 Non-ECC Laptop RAM Memory Module	16 GB	$113.17	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
Kingston ValueRAM 16GB 3200MT/s DDR4 Non-ECC CL22 SODIMM 2Rx8 1.2V KVR32S22D8/16 Laptop MemoryUsed	16 GB	$115.00	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
16GB DDR4 3200MHz PC4-25600 1.2V 2Rx8 260-Pin SODIMM Laptop RAM Memory Module M471A2K43DB1-CWE	16 GB	$116.78	-	SO-DIMM · DDR4	-	Buy on Amazon
A-Tech DDR4 RAM 16GB Kit (2x8GB) 2666MHz PC4-21300 SODIMM Laptop Memory	16 GB	$117.38	-	SO-DIMM · DDR4	-	Buy on Amazon
OWC 16GB (2x8GB) DDR4 3200MHz Non-ECC SODIMM 260-pin Memory RAM	16 GB	$118.78	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
Kingston Technology Kth-pl424e/16g 16gb Ddr4-2400mhz Ecc ModuleUsed	16 GB	$118.99	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
G.SKILL Ripjaws DDR4 SO-DIMM Series DDR4 RAM 16GB (1x16GB) 3200MT/s CL22-22-22-52 1.20V Unbuffered Non-ECC Notebook/Laptop Memory SO-DIMM (F4-3200C22S-16GRS)	16 GB	$119.99	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
Samsung M471A2K43CB1-CRC 16GB DDR4 2400MHz Memory Module	16 GB	$124.37	-	SO-DIMM · DDR4	-	Buy on Amazon
OWC Memory 16GB (2X 8GB) DDR4 PC4-19200 2400MHz RAM	16 GB	$124.72	-	SO-DIMM · DDR4	-	Buy on Amazon
Crucial 16GB Single DDR4 3200 MT/S (PC4-25600) CL22 DR X8 Unbuffered SODIMM 260-Pin Memory - CT16G4SFD832A	16 GB	$125.00	-	SO-DIMM · DDR4	-	Buy on Amazon
Crucial 16GB DDR4 RAM Kit (2x8GB), 3200MHz (PC4-25600), Downclockable to 2933/2666MHz Laptop Memory SODIMM 260-Pin, Compatible with 13th Gen Intel Core and AMD Ryzen 7000 - CT2K8G4SFRA32A	16 GB	$125.00	-	SO-DIMM · DDR4	-	Buy on Amazon
Kingston KVR26S19D8/16 Valueram - DDR4-16 GB - SO-DIMM 260-Pin - 2666 MHz/PC4-21300 - CL19-1.2 V - Unbuffered - Non-ECC	16 GB	$126.74	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
Arch Memory 8GB KSM26SES8/8HD Replacement for Kingston 260-Pin DDR4 2666 MHz (PC4-2666V) ECC SODIMM Memory	8 GB	$129.95	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
Arch Memory 8GB KSM26SES8/8MR Replacement for Kingston 260-Pin DDR4 2666 MHz (PC4-2666V) ECC SODIMM Memory	8 GB	$129.95	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
A-Tech 16GB Kit (2x8GB) RAM for QNAP TVS-872XT NAS \| DDR4 2666MHz PC4-21300 SODIMM 1.2V 260-Pin Non-ECC SO-DIMM Memory Upgrade	16 GB	$131.83	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
Kingston 16GB DDR4 2666MHZ SODIMM	16 GB	$134.00	-	SO-DIMM · DDR4	-	Buy on Amazon
A-Tech 16GB RAM for QNAP TS-h1677XU-RP NAS \| DDR4 3200MHz PC4-25600 DIMM 1.2V 288-Pin Non-ECC UDIMM Memory Upgrade	16 GB	$134.07	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
Crucial 16GB DDR4 RAM, 3200MHz CL22 (or 2933MHz or 2666MHz) Laptop Memory, SODIMM 260-Pin, Compatible with 13th Gen Intel Core and AMD Ryzen 7000 - CT16G4SFRA32A	16 GB	$134.59	-	SO-DIMM · DDR4	-	Buy on Amazon
OWC 16GB DDR4 2666MHz ECC RDIMM 2Rx4 288-pin Memory RAM	16 GB	$135.00	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
A-Tech 16GB (2x8GB) DDR4 3200 MHz SODIMM PC4-25600 (PC4-3200AA) CL22 Non-ECC Laptop RAM Memory Modules	16 GB	$135.45	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
16GB 260pin SODIMM DDR4 PC4-25600 NONECC	16 GB	$135.99	-	SO-DIMM · DDR4	-	Buy on Amazon
OWC 16GB DDR4 3200 PC4-25600 CL22 2Rx8 288-pin 1.2V ECC Registered RDIMM Memory RAM Module Upgrade Compatible with QNAP TDS-h2489FU TVS-h474 TVS-h674 TVS-h874 TS-1655	16 GB	$139.00	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
OWC 16GB DDR4 3200MHz ECC RDIMM 2Rx4 288-pin Memory RAM	16 GB	$139.00	-	SO-DIMM · DDR4ECC	-	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	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
A-Tech 32GB RAM Replacement for Synology RAMRG2133DDR4-32G \| DDR4 2133 MHz PC4-17000 ECC RDIMM Registered DIMM Memory Compatible for FS3017, FS2017, RS18017xs+	32 GB	$140.21	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
OWC 16GB (2X8GB) DDR4 RAM Compatible with Synology DiskStation DS723+ and DS923+ NAS System 2666MHz PC4-21300 CL19 ECC Unbuffered SODIMM 2Rx8 1.2V Memory UpgradeUsed	16 GB	$142.34	-	SO-DIMM · DDR4ECC	Prime	Buy on Amazon
Kingston Technology Kth-pl424e/16g 16gb Ddr4-2400mhz Ecc Module	16 GB	$148.99	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
OWC 16GB (2X8GB) DDR4 RAM Compatible with Synology DiskStation DS723+ and DS923+ NAS System 2666MHz PC4-21300 CL19 ECC Unbuffered SODIMM 2Rx8 1.2V Memory Upgrade	16 GB	$149.83	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
OWC 16GB (2X8GB) DDR4 RAM Compatible with Synology NAS Rackstation RS822+ and RS822RP+ 2666MHz PC4-21300 CL19 ECC Unbuffered SODIMM 2Rx8 1.2V Memory Upgrade	16 GB	$149.83	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
OWC 16GB (2x8GB) DDR4 2666MHz ECC SODIMM 260-pin Memory RAM	16 GB	$149.83	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
OWC 16GB (2x8GB) DDR4 3200MHz ECC SODIMM 260-pin Memory RAM	16 GB	$149.83	-	SO-DIMM · DDR4ECC	-	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	16 GB	$149.89	-	SO-DIMM · DDR4ECC	-	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	16 GB	$149.89	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
NEMIX RAM 16GB (2X8GB) DDR4 2666MHz PC4-21300 1Rx8 1.2V CL19 260-PIN ECC SODIMM KIT Compatible with Synology D4ES01-8G ECC Unbuffered Memory	16 GB	$149.89	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
Kingston FURY Impact 16GB 3200MT/s DDR4 CL20 Laptop Memory Single Module \| Intel XMP \| AMD Ryzen \| Plug n Play \| Low Power Consumption \| KF432S20IB/16	16 GB	$149.99	-	SO-DIMM · DDR4	-	Buy on Amazon
Crucial 32GB Kit (16GBx2), 260-pin SODIMM, DDR4 PC4-19200,Used	32 GB	$154.99	-	SO-DIMM · DDR4	-	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	-	SO-DIMM · DDR4ECC	-	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	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
OWC 16GB DDR4 RAM Compatible with Synology DiskStation DS723+ and DS923+ NAS System 2666MHz PC4-21300 CL19 ECC Unbuffered SODIMM 2Rx8 1.2V Memory Upgrade	16 GB	$157.26	-	SO-DIMM · DDR4ECC	-	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	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
OWC 16GB Replacement for QNAP RAM-16GDR4ECK1-UD-3200 16GB DDR4 3200 PC4-25600 CL22 1Rx8 288-pin 1.2V ECC Unbuffered UDIMM Memory RAM Module Upgrade	16 GB	$157.26	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
OWC 16GB DDR4 2666 PC4-21300 CL19 2Rx8 260-pin 1.2V ECC Unbuffered SODIMM Memory RAM Module Upgrade Compatible with Synology DiskStation DS1525+ DS1825+ DS1825xs+ DS725+ DS925+	16 GB	$157.26	-	SO-DIMM · DDR4ECC	-	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	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
OWC 16GB Replacement for Synology D4ES03-16G - DDR4 2666 PC4-21300 CL19 2Rx8 260-pin 1.2V ECC Unbuffered SODIMM Memory RAM Module Upgrade	16 GB	$157.26	-	SO-DIMM · DDR4ECC	-	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	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
OWC 16GB DDR4 RAM Compatible with Synology NAS Rackstation RS822+ and RS822RP+ 2666MHz PC4-21300 CL19 ECC Unbuffered SODIMM 2Rx8 1.2V Memory Upgrade	16 GB	$157.26	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
OWC 16GB RAM Compatible with Synology D4EC-2666-16G, D4EU01-16G \| DDR4 2666MHz PC4-21300 ECC Unbuffered UDIMM 2Rx8 1.2V Memory Upgrade for NAS, RackStation, FlashStation, & NVR DVA	16 GB	$157.26	-	SO-DIMM · DDR4ECC	-	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	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
OWC 16GB Replacement for QNAP RAM-16GDR4ECT0-SO-2666 16GB DDR4 2666 PC4-21300 CL19 2Rx8 260-pin 1.2V ECC Unbuffered SODIMM Memory RAM Module Upgrade	16 GB	$157.26	-	SO-DIMM · DDR4ECC	-	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	-	SO-DIMM · DDR4ECC	-	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	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
OWC 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	-	SO-DIMM · DDR4ECC	-	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	-	SO-DIMM · DDR4ECC	-	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	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
OWC 16GB DDR4 3200 PC4-25600 CL22 1Rx8 288-pin 1.2V ECC Unbuffered UDIMM Memory RAM Module Upgrade Compatible with QNAP TVS-h1288X TVS-h1688X	16 GB	$157.26	-	SO-DIMM · DDR4ECC	-	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	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
OWC 16GB DDR4 3200MHz ECC UDIMM 288-pin Memory RAM	16 GB	$157.26	-	SO-DIMM · DDR4ECC	-	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	-	SO-DIMM · DDR4ECC	-	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	-	SO-DIMM · DDR4ECC	-	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	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
A-Tech 16GB Kit (2x8GB) RAM for QNAP TS-464 NAS \| DDR4 2933MHz PC4-23400 SODIMM 1.2V 260-Pin Non-ECC SO-DIMM Memory Upgrade	16 GB	$158.88	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
A-Tech 16GB Kit (2x8GB) RAM for QNAP TS-664 NAS \| DDR4 2933MHz PC4-23400 SODIMM 1.2V 260-Pin Non-ECC SO-DIMM Memory Upgrade	16 GB	$158.88	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
A-Tech 16GB Kit (2x8GB) RAM for QNAP TS-464eU NAS \| DDR4 2933MHz PC4-23400 SODIMM 1.2V 260-Pin Non-ECC SO-DIMM Memory Upgrade	16 GB	$158.88	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
A-Tech 16GB Kit (2x8GB) RAM for QNAP TS-864eU-RP NAS \| DDR4 2933MHz PC4-23400 SODIMM 1.2V 260-Pin Non-ECC SO-DIMM Memory Upgrade	16 GB	$158.88	-	SO-DIMM · DDR4ECC	-	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	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
Kingston 16GB DDR4 SDRAM Memory Module	16 GB	$162.79	-	SO-DIMM · DDR4	-	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	-	SO-DIMM · DDR4ECC	-	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	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
Kingston Server Premier 16GB 3200MT/s DDR4 ECC Reg CL22 DIMM 1Rx8 Micron F Server Memory - KSM32ES8/16MF	16 GB	$169.99	-	SO-DIMM · DDR4ECC	-	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	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
Timetec 32GB KIT (2x16GB) DDR4 2400MHz (PC4-2400T) PC4-19200 SODIMM Laptop RAM – 260-Pin 1.2V CL17 Non-ECC Unbuffered Memory Module for Laptop, Notebook, Mini PC, All-in-One	32 GB	$178.99	-	SO-DIMM · DDR4ECC	-	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	-	SO-DIMM · DDR4ECC	-	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	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
Timetec 32GB KIT (2x16GB) DDR4 3200MHz (PC4-3200AA) PC4-25600 SODIMM Laptop RAM – 260-Pin 1.2V CL22 Non-ECC Unbuffered Memory Module for Laptop, Notebook, Mini PC, All-in-One	32 GB	$188.99	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
TEAMGROUP Elite DDR4 32GB Kit (2 x 16GB) 3200MHz PC4-25600 CL22 (2933MHz or 2666MHz) Unbuffered Non-ECC 1.2V SODIMM 260-Pin Laptop Notebook PC Computer Memory Module Ram Upgrade - TED432G3200C22DC-S01	32 GB	$190.99	-	SO-DIMM · DDR4ECC	-	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	16 GB	$191.98	-	SO-DIMM · DDR4ECC	-	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	-	SO-DIMM · DDR4ECC	-	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	-	SO-DIMM · DDR4ECC	-	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	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
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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	-	SO-DIMM · DDR4ECC	-	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	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
A-Tech 32GB (2x16GB) DDR4 2400 MHz SODIMM PC4-19200 (PC4-2400T) CL17 2Rx8 Non-ECC Laptop RAM Memory Modules	32 GB	$192.93	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
Crucial 32GB Kit (16GBx2), 260-pin SODIMM, DDR4 PC4-19200,	32 GB	$193.00	-	SO-DIMM · DDR4	-	Buy on Amazon
PNY Performance 32GB (2x16GB) DDR4 DRAM 3200MHz (PC4-25600) CL22 (Compatible with 2933MHz, 2666MHz, 2400MHz or 2133MHz) 1.2V Notebook/Laptop (SODIMM) Computer Memory Kit – MN32GK2D43200-TB	32 GB	$194.99	-	SO-DIMM · DDR4	Prime	Buy on Amazon
A-Tech 32GB RAM Replacement for Synology D4RD-2666-32G \| DDR4 2666 MHz PC4-21300 ECC RDIMM Registered DIMM Memory Compatible for FS6400, FS3600, FS3400, SA3600, SA3400, FS3017, FS2017, RS18017xs+	32 GB	$196.21	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
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A-Tech 32GB Kit (2x16GB) RAM for QNAP TS-873AeU-RP NAS \| DDR4 2400MHz PC4-19200 SODIMM 2Rx8 1.2V 260-Pin Non-ECC SO-DIMM Memory Upgrade	32 GB	$209.72	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
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A-Tech 16GB RAM Replacement for Synology D4EC-2666-16G & D4EU01-16G \| DDR4 2666 MHz PC4-21300 ECC UDIMM Unbuffered DIMM Memory Compatible for NAS & SAN Servers	16 GB	$209.99	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
Crucial 32GB Single DDR4 3200 MT/S CL22 SODIMM 260-Pin Memory - CT32G4SFD832A", since product details shows CT32G4SFD832AUsed	32 GB	$210.00	-	SO-DIMM · DDR4	-	Buy on Amazon
A-Tech 32GB Kit (2x16GB) RAM for QNAP TS-873A NAS \| DDR4 2400MHz PC4-19200 SODIMM 2Rx8 1.2V 260-Pin Non-ECC SO-DIMM Memory Upgrade	32 GB	$216.21	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
A-Tech 32GB Kit (2x16GB) RAM for QNAP TS-473A NAS \| DDR4 2400MHz PC4-19200 SODIMM 2Rx8 1.2V 260-Pin Non-ECC SO-DIMM Memory Upgrade	32 GB	$216.21	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
A-Tech 32GB Kit (2x16GB) RAM for QNAP TS-673A NAS \| DDR4 2400MHz PC4-19200 SODIMM 2Rx8 1.2V 260-Pin Non-ECC SO-DIMM Memory Upgrade	32 GB	$216.21	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
Crucial 32GB DDR4 RAM Kit (2x16GB), 3200MHz (PC4-25600) CL22 Laptop Memory, SODIMM 260-Pin, Downclockable to 2933/2666MHz, Compatible with 13th Gen Intel Core and AMD Ryzen 7000 - CT2K16G4SFRA32AUsed	32 GB	$217.99	-	SO-DIMM · DDR4	-	Buy on Amazon
A-Tech 32GB RAM for QNAP TS-473A NAS \| DDR4 2666MHz PC4-21300 SODIMM 2Rx8 1.2V 260-Pin Non-ECC SO-DIMM Memory Upgrade	32 GB	$218.85	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
NEMIX RAM 32GB (1X32GB) DDR4 3200MHz PC4-25600 2Rx8 1.2V CL22 260-PIN Non-ECC SODIMM Compatible with QNAP RAM-32GDR4K0-SO-3200 NAS Memory	32 GB	$218.88	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
【DDR4 RAM Laptop Only】 GIGASTONE 32GB Kit (2x16GB) DDR4 3200MHz (2933MHz or 2666MHz) PC4-25600 (PC4-23400, 21300) CL22 1.2V SODIMM 260 Pin Unbuffered Non ECC High Performance Notebook Memory Upgrade	32 GB	$218.99	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
Kingston FURY Impact 32GB 3200MT/s DDR4 CL20 Laptop Memory Single Module \| Intel XMP \| AMD Ryzen \| Plug n Play \| Low Power Consumption \| KF432S20IB/32Used	32 GB	$219.00	-	SO-DIMM · DDR4	-	Buy on Amazon
OWC 32GB (2x16GB) DDR4 2666MHz Non-ECC SODIMM 260-pin Memory RAM	32 GB	$219.54	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
Arch Memory 16GB KSM26SED8/16HD Replacement for Kingston 260-Pin DDR4 2666 MHz (PC4-2666V) ECC SODIMM Memory	16 GB	$224.95	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
Arch Memory 16GB KSM32SED8/16HD Replacement for Kingston 260-Pin DDR4 3200 MHz (PC4-3200AA) ECC SODIMM Memory	16 GB	$224.95	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
Arch Memory 16GB KSM24SED8/16ME Replacement for Kingston 260-Pin DDR4 2400 MHz (PC4-2400T) ECC SODIMM Memory	16 GB	$224.95	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
BytecRAM 16GB KSM32SED8/16HD Replacement for Kingston DDR4 3200 MHz (PC4-3200AA) ECC SODIMM Memory	16 GB	$224.95	-	SO-DIMM · DDR4ECC	-	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	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
Arch Memory 16GB D4ES01-16G Replacement for 260-Pin DDR4 2666 MHz (PC4-2666V) ECC SODIMM Memory for Synology DS3622xs+ NAS Systems	16 GB	$224.95	-	SO-DIMM · DDR4ECC	-	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	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
parts-quick 32GB Memory for QNAP TS-H973AX Compatible DDR4-2666 SO-DIMM RAM (Equivalent to QNAP RAM-32GDR4T0-SO-2666)	32 GB	$224.99	-	SO-DIMM · DDR4	-	Buy on Amazon
Synology SODIMM ECC RAM DDR4 4GB (D4ES02-4G)	4 GB	$229.00	-	SO-DIMM · DDR4ECC	-	Buy on Amazon
OWC 32GB (2 x 16GB) PC19200 DDR4 2400MHz 260pin SO-DIMMs Memory Ram Upgrade Compatible with 27 and 21.5 iMac (Mid 2017), PCs and with MP7N2G/A	32 GB	$230.52	-	SO-DIMM · DDR4	-	Buy on Amazon

Frequently asked questions

What RAM is compatible with the DS923+?

The DS923+ takes 4GB DDR4 ECC SO-DIMM (up to 32GB). Buy DDR4 SO-DIMM modules with ECC that match its speed. Synology recommends its own branded modules, but compatible third-party DDR4 ECC SO-DIMMs are widely used.

Can I upgrade the DS923+ memory myself?

Yes. The SO-DIMM slot is user-accessible. Power down, fit the matching DDR4 module, and the NAS will detect the new total on boot. Keep the original module if you only have one free slot to add to.

Does more RAM speed up a NAS?

It speeds up metadata-heavy and multi-tasking workloads (containers, VMs, photo indexing, many users) rather than raw sequential transfer, which is limited by the drives and the network. Add RAM before an SSD cache for most home setups.

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