TerabyteWise
Updated · Specifications verified October 12, 2026

Upgrade the Memory in the TerraMaster F4-425 Pro

8GB or 16GB fitted, one slot, 32GB limit, DDR5 non-ECC SO-DIMM

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Quick answer

The F4-425 Pro takes DDR5 non-ECC SO-DIMM memory in one slot, to a limit of 32GB. It ships with 8GB or 16GB fitted. With one slot, any upgrade replaces the fitted module: one 32GB module reaches the limit. The F4-425 Pro is sold in two configurations, and the listing title says which: an Intel N350 with 16GB fitted, or an Intel N305 with 8GB fitted. Slot count, memory limit, bays and M.2 slots are the same on both.

As of October 12, 2026
Memory limit
32GB
In-stock listings in the tables on this page
73
Prices updated
3 hours ago

Memory facts for the F4-425 Pro

F4-425 Pro
FittedN350 model: 16 GB non-ECC SODIMM (1 x 16GB). N305 model: 8 GB non-ECC SODIMM (1 x 8GB)
Slots1
Limit32 GB non-ECC SODIMM
Module typeDDR5 non-ECC SO-DIMM
Largest module32GB
ProcessorIntel N350 (burst to 3.9 GHz) or Intel N305 (burst to 3.8 GHz), by configuration

Every configuration the F4-425 Pro allows

ConfigurationTotalWhat to buy
One 16GB module16GBOne 16GB module, on the configuration that ships with 8GB; the other ships with this amount
One 32GB module32GB (the limit)One 32GB module; the fitted module comes out

TerraMaster's memory rules for the F4-425 Pro

One non-ECC SO-DIMM slot; TerraMaster may fit a module of the same or higher frequency, and its product page describes the memory as DDR5.

TerraMaster specifies non-ECC memory for the F4-425 Pro. An ECC module is not what the specification calls for.

Where the F4-425 Pro figures come from

Fitted memory, slot count, limit and module rules. TerraMaster's F4-425 Pro page, October 12, 2026.

Checked on October 12, 2026. Sources: TerraMaster F4-425 Pro specifications.

Go deeper

Only F4-425 Pro memory is on this page.

What else fits the F4-425 Pro

DDR5 non-ECC SO-DIMM modules up to 32GB, by price

Modules of the type and size the F4-425 Pro takes, no larger than 32GB each. A type and size filter: not a list of modules TerraMaster has tested.

Price per
73 products
ProductCapacityPrice$ / TBTypePrimeBuy
Hynix 8GB DDR5 4800MHz PC5-4800B SODIMM 1Rx8 1.1V 262-Pin Non-ECC Laptop Memory Module Replacement RAM for Dell HP ASUS Lenovo PC HMCG66MEBSA092N8 GB$113.00-DDR5 SO-DIMM 4800MHzNon-ECC-Buy on Amazon
Hynix 8GB Replacement RAM for Dell HP ASUS Lenovo PC HMCG66AGBSA095N DDR5 5600MHz PC5-5600B SODIMM 1Rx8 1.1V 262-Pin Non-ECC Laptop Memory Module8 GB$116.00-DDR5 SO-DIMM 5600MHzNon-ECC-Buy on Amazon
Adamanta 8GB (1x8GB) DDR5 4800MHz PC5-38400 SODIMM 1Rx16 CL40 1.1v Laptop Notebook Memory Module Upgrade RAM8 GB$124.50-DDR5 SO-DIMM 4800MHzNon-ECC-Buy on Amazon
Micron SODIMM 8GB PC5 DDR5 4800 1Rx16 MTC4C10163S1SC48BA1 Laptop Notebook RAM Memory for Dell HP Lenovo and Other Systems8 GB$125.00-DDR5 SO-DIMMNon-ECC-Buy on Amazon
A-Tech 8GB DDR5 4800MHz PC5-38400 CL40 SODIMM 1.1V Non-ECC Unbuffered SO-DIMM 262-Pin Laptop Computer RAM Memory Upgrade Module8 GB$126.78-DDR5 SO-DIMM 4800MHzNon-ECC-Buy on Amazon
Samsung 8GB DDR5 5600MHz PC5-44800 CL46 SODIMM 1Rx16 Single Rank 1.1V 262-Pin Laptop, Notebook RAM Memory8 GB$128.49-DDR5 SO-DIMM 5600MHzNon-ECC-Buy on Amazon
NEMIX RAM 8GB (1X8GB) DDR5 4800MHZ PC5-38400 1Rx16 1.1V CL40 262-PIN Non-ECC SODIMM Compatible with UGREEN NASync DXP4800 Plus DXP480T Plus DXP6800 Pro DXP8800 Plus NAS Storage Systems8 GB$128.99-DDR5 SO-DIMM 4800MHzNon-ECC-Buy on Amazon
8GB 1X8GB DDR5 4800MHz PC5-38400 1.1V CL40 262-PIN Non-ECC SODIMM NEMIX RAM Compatible with UGREEN NASync DXP2800 and DXP4800 NAS Storage Systems8 GB$128.99-DDR5 SO-DIMM 4800MHzNon-ECC-Buy on Amazon
8GB 1X8GB DDR5 4800MHz PC5-38400 1Rx8 1.1V CL40 262-PIN Non-ECC Unbuffered SODIMM NEMIX RAM Laptop PC Memory8 GB$128.99-DDR5 SO-DIMM 4800MHzNon-ECC-Buy on Amazon
8GB 1X8GB DDR5 4800MHZ PC5-38400 1.1V CL40 262-PIN Non-ECC SODIMM NEMIX RAM Compatible with UGREEN NASync DXP4800 Plus DXP480T Plus DXP6800 Pro DXP8800 Plus NAS Storage Systems8 GB$128.99-DDR5 SO-DIMM 4800MHzNon-ECC-Buy on Amazon
NEMIX RAM 8GB (1X8GB) DDR5 4800MHZ PC5-38400 1Rx16 1.1V CL40 262-PIN Non-ECC SODIMM Compatible with UGREEN NASync DXP2800 and DXP4800 NAS Storage Systems8 GB$128.99-DDR5 SO-DIMM 4800MHzNon-ECC-Buy on Amazon
A-Tech 8GB DDR5 5600MHz PC5-44800 CL46 SODIMM 1.1V Non-ECC Unbuffered SO-DIMM 262-Pin Laptop Computer RAM Memory Upgrade Module8 GB$132.29-DDR5 SO-DIMM 5600MHzNon-ECC-Buy on Amazon
A-Tech 8GB DDR5 4800MHz SODIMM PC5-38400 CL40 1Rx16 1.1V SO-DIMM 262-Pin Laptop Notebook RAM Memory Module M425R1GB4BB0-CQK8 GB$132.46-DDR5 SO-DIMM 4800MHzNon-ECC-Buy on Amazon
8GB 1X8GB DDR5 5200MHz PC5-41600 1Rx8 1.1V CL44 262-PIN Non-ECC Unbuffered SODIMM NEMIX RAM Laptop PC Memory8 GB$133.99-DDR5 SO-DIMM 5200MHzNon-ECC-Buy on Amazon
8GB 1X8GB DDR5 5600MHz PC5-44800 1Rx8 1.1V CL46 262-PIN Non-ECC Unbuffered SODIMM NEMIX RAM Laptop PC Memory8 GB$133.99-DDR5 SO-DIMM 5600MHzNon-ECC-Buy on Amazon
NEMIX RAM 8GB (1X8GB) DDR5 5600MHZ PC5-44800 1Rx8 1.1V CL46 262-PIN Non-ECC SODIMM Laptop PC Memory Compatible with Dell Precision 7780 Mobile Workstation8 GB$133.99-DDR5 SO-DIMM 5600MHzNon-ECC-Buy on Amazon
Samsung 8GB (1x8GB) DDR5 4800MHz PC5-34800 SODIMM 1Rx16 CL40 1.1v M425R1GB4BB0-CQK Non-ECC Unbuffered RAM Memory Laptop Notebook Module Upgrade8 GB$136.50-DDR5 SO-DIMM 4800MHzNon-ECC-Buy on Amazon
Samsung 8GB DDR5 4800MHz PC5-38400 CL40 SODIMM 1Rx16 Single Rank 1.1V 262-Pin Laptop, Notebook RAM Memory8 GB$137.00-DDR5 SO-DIMM 4800MHzNon-ECC-Buy on Amazon
Mic(Micron) Original 8GB (1x8GB) DDR5 5600MHz PC5-44800 SODIMM Unbuffered Non-ECC 1Rx16 CL46 1.1v MTC4C10163S1SC56BD1 Notebook Laptop RAM Memory Module Upgrade Adamanta8 GB$140.00-DDR5 SO-DIMM 5600MHzNon-ECC-Buy on Amazon
SK Hyn(Hynix) Original 8GB (1x8GB) DDR5 5600MHz PC5-44800 SODIMM Unbuffered Non-ECC 1Rx16 CL46 1.1v HMCG66AGBSA095N Notebook Laptop RAM Memory Module Upgrade Adamanta8 GB$140.50-DDR5 SO-DIMM 5600MHzNon-ECC-Buy on Amazon
Samsung 8GB (1x8GB) DDR5 5600MHz PC5-44800 SODIMM 1Rx16 CL46 1.1v M425R1GB4PB0-CWM RAM Memory Laptop Notebook Module Upgrade8 GB$142.50-DDR5 SO-DIMM 5600MHzNon-ECC-Buy on Amazon
Samsung 8GB DDR5 5600MHz PC5-44800 CL46 SODIMM 1Rx16 Single Rank 1.1V 262-Pin Laptop RAM Memory M425R1GB4BB0-CWM, 1 Module8 GB$148.50-DDR5 SO-DIMM 5600MHzNon-ECC-Buy on Amazon
OWC 8GB Memory RAM Replacement for Crucial CT8G56C46S58 GB$209.99-DDR5 SO-DIMM 5600MHzNon-ECC-Buy on Amazon
OWC 8GB Memory RAM Replacement for Crucial CT8G52C42S58 GB$209.99-DDR5 SO-DIMM 5200MHzNon-ECC-Buy on Amazon
Crucial 8GB DDR5 RAM, 5600MHz (or 5200MHz or 4800MHz) Laptop Memory, SODIMM 262-Pin, Compatible with 13th Gen Intel Core and AMD Ryzen 6000 - CT8G56C46S58 GB$212.00-DDR5 SO-DIMM 5600MHzNon-ECC-Buy on Amazon
addlink AddGame Spider N5 DDR5 RAM 16GB Gaming 5600MHz 262-Pin, CL46 1.1V Intel XMP 2.0, SO-DIMM, Compatible Laptop Computer Memory (AG16GB56C46N5S)16 GB$239.44-DDR5 SO-DIMM 5600MHzNon-ECC-Buy on Amazon
A-Tech 16GB DDR5 4800MHz PC5-38400 CL40 SODIMM 1.1V Non-ECC Unbuffered SO-DIMM 262-Pin Laptop Computer RAM Memory Upgrade Module16 GB$239.72-DDR5 SO-DIMM 4800MHzNon-ECC-Buy on Amazon
Timetec 16GB DDR5 5600MHz PC5-44800 Unbuffered Non-ECC 1.1V CL46 1Rx8 Single Rank 262Pin SODIMM Laptop Memory RAM Module Upgrade16 GB$239.99-DDR5 SO-DIMM 5600MHzNon-ECC-Buy on Amazon
MMOMENT 16GB DDR5 5600MHz Laptop RAM, SODIMM, CL46, 1.1V, Memory Module16 GB$239.99-DDR5 SO-DIMM 5600MHzNon-ECC-Buy on Amazon
Timetec Premium 16GB DDR5 5600MHz PC5-44800 Unbuffered Non-ECC 1.1V CL46 1Rx8 Single Rank 262Pin SODIMM Laptop Memory RAM Upgrade16 GB$239.99-DDR5 SO-DIMM 5600MHzNon-ECC-Buy on Amazon
A-Tech 16GB DDR5 5600MHz PC5-44800 CL46 SODIMM 1.1V Non-ECC Unbuffered SO-DIMM 262-Pin Laptop Computer RAM Memory Upgrade Module16 GB$244.99-DDR5 SO-DIMM 5600MHzNon-ECC-Buy on Amazon
Samsung 16GB DDR5 5600MHz PC5-44800 CL46 SODIMM 1Rx8 Single Rank 1.1V 262-Pin Laptop, Notebook RAM Memory M425R2GA3PB0-CWM16 GB$245.00-DDR5 SO-DIMM 5600MHzNon-ECC-Buy on Amazon
NEMIX RAM 16GB (1X16GB) DDR5 4800MHZ PC5-38400 1Rx8 1.1V CL40 262-PIN Non-ECC SODIMM Compatible with UGREEN NASync DXP4800 Plus DXP480T Plus DXP6800 Pro DXP8800 Plus NAS Storage Systems16 GB$245.99-DDR5 SO-DIMM 4800MHzNon-ECC-Buy on Amazon
16GB 1X16GB DDR5 4800MHz PC5-38400 1.1V CL40 262-PIN Non-ECC SODIMM NEMIX RAM Compatible with UGREEN NASync DXP2800 and DXP4800 NAS Storage Systems16 GB$245.99-DDR5 SO-DIMM 4800MHzNon-ECC-Buy on Amazon
16GB 1X16GB DDR5 4800MHZ PC5-38400 1.1V CL40 262-PIN Non-ECC SODIMM NEMIX RAM Compatible with NASync DXP4800 Plus DXP480T Plus DXP6800 Pro DXP8800 Plus NAS Storage Systems16 GB$245.99-DDR5 SO-DIMM 4800MHzNon-ECC-Buy on Amazon
NEMIX RAM 16GB (1X16GB) DDR5 4800MHZ PC5-38400 1Rx8 1.1V CL40 262-PIN Non-ECC SODIMM Compatible with UGREEN NASync DXP2800 and DXP4800 NAS Storage Systems16 GB$245.99-DDR5 SO-DIMM 4800MHzNon-ECC-Buy on Amazon
16GB DDR5 4800MHZ PC5-38400 1.1V 2Rx8 CL40 262-PIN Non-ECC SODIMM Designed for Motherboards utilizing ONLY Intel Series Processor with Intel W680 Chipset - NOT Compatible with AMD CPU16 GB$245.99-DDR5 SO-DIMM 4800MHzNon-ECC-Buy on Amazon
16GB DDR5-4800 Non-ECC SODIMM Compatible with UGREEN NASync DXP8800 Plus16 GB$245.99-DDR5 SO-DIMMNon-ECC-Buy on Amazon
A-Tech 16GB RAM Replacement for CT16G48C40S5 | DDR5 4800MHz PC5-38400 CL40 SODIMM 1Rx8 1.1V Non-ECC SO-DIMM 262-Pin Laptop, Notebook Memory Module16 GB$251.71-DDR5 SO-DIMM 4800MHzNon-ECC-Buy on Amazon
TEAMGROUP T-Create Classic DDR5 SODIMM 16GB 5600MHz(PC5-44800) CL46 Laptop Memory Module Ram - CTCCD516G5600HC46A-S0116 GB$259.99-DDR5 SO-DIMM 5600MHzNon-ECC-Buy on Amazon
Samsung 16GB DDR5 4800MHz PC5-38400 SODIMM 1Rx8 Single Rank CL40 1.1v 262pin Non-ECC M425R2GA3BB0-CQK Laptop Notebook RAM Memory Upgrade16 GB$263.50-DDR5 SO-DIMM 4800MHzNon-ECC-Buy on Amazon
Samsung 16GB DDR5 4800MHz PC5-38400 CL40 SODIMM 1Rx8 1.1V Non-ECC 262-Pin SO-DIMM Laptop RAM Memory M425R2GA3BB0-CQK16 GB$263.50-DDR5 SO-DIMM 4800MHzNon-ECC-Buy on Amazon
16GB DDR5-5600 Non-ECC SODIMM Compatible with QNAP RAM-16GDR5T0-SO-560016 GB$266.95-DDR5 SO-DIMMNon-ECC-Buy on Amazon
Samsung 16GB DDR5 5600MHz PC5-44800 CL46 SODIMM 1Rx8 Single Rank 1.1V 262-Pin Laptop, Notebook RAM Memory16 GB$266.99-DDR5 SO-DIMM 5600MHzNon-ECC-Buy on Amazon
G.SKILL Ripjaws DDR5 SO-DIMM Series DDR5 RAM 16GB (1x16GB) Up to 4800MT/s* CL34-34-34-76 1.10V Unbuffered Non-ECC Notebook/Laptop Memory SO-DIMM (F5-4800S3434A16GA1-RS)16 GB$269.99-DDR5 SO-DIMM 4800MHzNon-ECC-Buy on Amazon
G.SKILL Ripjaws DDR5 SO-DIMM Series DDR5 RAM 16GB (1x16GB) Up to 5600MT/s* CL40-40-40-89 1.10V Unbuffered Non-ECC Notebook/Laptop Memory SO-DIMM (F5-5600S4040A16GX1-RS)16 GB$269.99-DDR5 SO-DIMM 5600MHzNon-ECC-Buy on Amazon
G.SKILL Ripjaws DDR5 SO-DIMM Series DDR5 RAM 16GB (1x16GB) Up to 5600MT/s* CL46-45-45-89 1.10V Unbuffered Non-ECC Notebook/Laptop Memory SO-DIMM (F5-5600S4645A16GX1-RS)16 GB$269.99-DDR5 SO-DIMM 5600MHzNon-ECC-Buy on Amazon
New Samsung 16GB (8GBX2) DDR5 4800 MHz PC5-38400 SODIMM Laptop Memory RAM (M425R1GB4BB0) OEM16 GB$278.75-DDR5 SO-DIMM 4800MHzNon-ECC-Buy on Amazon
SK-Hynix 16GB 5600MHz DDR5 PC5-44800 Non-ECC CL46 262-Pin SoDimm 1.1V Single Rank x8 Memory Module OEM - HMCG78AGBSA095N16 GB$294.99-DDR5 SO-DIMM 5600MHzNon-ECC-Buy on Amazon
TEAMGROUP Elite SODIMM DDR5 16GB 4800MHz (PC5-38400) CL40 Non-ECC Unbuffered 1.1V 262 Pin Laptop Memory Module Ram - TED516G4800C40D-S0116 GB$294.99-DDR5 SO-DIMM 4800MHzNon-ECC-Buy on Amazon
Crucial 16GB DDR5 RAM, 4800MHz CL40 Laptop Memory, SODIMM 262-Pin Module, Compatible with 12th Gen Intel Core - CT16G48C40S516 GB$299.99-DDR5 SO-DIMM 4800MHzNon-ECC-Buy on Amazon
OWC 16GB Memory RAM Compatible with UGREEN NASync DXP4800 DXP4800 Plus16 GB$299.99-DDR5 SO-DIMMNon-ECC-Buy on Amazon
OWC 16GB Memory RAM Compatible with UGREEN NASync DXP2800 DXP480016 GB$299.99-DDR5 SO-DIMMNon-ECC-Buy on Amazon
OWC 16GB DDR5 4800MHz Non-ECC SODIMM 262-pin Memory RAM16 GB$299.99-DDR5 SO-DIMM 4800MHzNon-ECC-Buy on Amazon
Kingston ValueRAM 16GB DDR5 SDRAM Memory Module16 GB$328.75-DDR5 SO-DIMM 5600MHzNon-ECC-Buy on Amazon
Kingston 16GB DDR5 SDRAM Memory Module16 GB$348.27-DDR5 SO-DIMM 5600MHzNon-ECC-Buy on Amazon
OWC 16GB Memory RAM Replacement for Crucial CT16G56C46S516 GB$359.99-DDR5 SO-DIMM 5600MHzNon-ECC-Buy on Amazon
NEMIX RAM 32GB (1X32GB) DDR5 4800MHZ PC5-38400 2Rx8 1.1V CL40 262-PIN Non-ECC SODIMM Compatible with UGREEN NASync DXP4800 Plus DXP480T Plus DXP6800 Pro DXP8800 Plus NAS Storage Systems32 GB$408.95-DDR5 SO-DIMM 4800MHzNon-ECC-Buy on Amazon
32GB 1X32GB DDR5 4800MHZ PC5-38400 1.1V CL40 262-PIN Non-ECC SODIMM NEMIX RAM Compatible with UGREEN NASync DXP4800 Plus DXP480T Plus DXP6800 Pro DXP8800 Plus NAS Storage Systems32 GB$408.95-DDR5 SO-DIMM 4800MHzNon-ECC-Buy on Amazon
32GB DDR5-4800 Non-ECC SODIMM Compatible with UGREEN NASync DXP280032 GB$408.95-DDR5 SO-DIMMNon-ECC-Buy on Amazon
32GB DDR5-4800 Non-ECC SODIMM Compatible with UGREEN NASync DXP4800 Plus32 GB$408.95-DDR5 SO-DIMMNon-ECC-Buy on Amazon
32GB DDR5-4800 Non-ECC SODIMM Compatible with UGREEN NASync DXP4800 Pro32 GB$408.95-DDR5 SO-DIMMNon-ECC-Buy on Amazon
Crucial 32GB DDR5 RAM, 4800MHz CL40 Laptop Memory - Compatible with Intel 12th Gen and AMD Processors - CT32G48C40S532 GB$449.90-DDR5 SO-DIMM 4800MHzNon-ECC-Buy on Amazon
TEAMGROUP Elite SODIMM DDR5 32GB 5600Mhz (PC5-44800) CL46 Non-ECC Unbuffered 1.1V 262 Pin Laptop Memory Module Ram - TED532G5600C46A-S0132 GB$459.99-DDR5 SO-DIMM 5600MHzNon-ECC-Buy on Amazon
DATO DDR5 SODIMM 32GB Kit 16GBx2 Laptop RAM 5600MHz PC5-44800 CL46 1.1V 262-Pin Non-ECC unbuffered dimm, Notebook Memory Module32 GB$469.99-DDR5 SO-DIMM 5600MHzNon-ECC-Buy on Amazon
Samsung 32GB DDR5 4800MHz PC5-38400 CL40 SODIMM 2Rx8 Dual Rank 1.1V 262-Pin Laptop RAM Memory M425R4GA3BB0-CQK, 1 Module32 GB$497.50-DDR5 SO-DIMM 4800MHzNon-ECC-Buy on Amazon
A-Tech 32GB RAM Replacement for Crucial CT32G48C40S5 | DDR5 4800MHz PC5-38400 SODIMM 2Rx8 1.1V 262-Pin Non-ECC Laptop Memory Module (CT32G48C40S5-ATC)32 GB$499.99-DDR5 SO-DIMM 4800MHzNon-ECC-Buy on Amazon
A-Tech 32GB RAM Replacement for Crucial CT2K32G48C40S5 | DDR5 4800MHz PC5-38400 SODIMM 2Rx8 1.1V 262-Pin Non-ECC Laptop Memory Module (CT2K32G48C40S5-ATC)32 GB$499.99-DDR5 SO-DIMM 4800MHzNon-ECC-Buy on Amazon
A-Tech 32GB RAM Replacement for Crucial CT32G56C46S5 | DDR5 5600MHz PC5-44800 SODIMM 2Rx8 1.1V 262-Pin Non-ECC Laptop Memory Module (CT32G56C46S5-ATC)32 GB$513.51-DDR5 SO-DIMM 5600MHzNon-ECC-Buy on Amazon
Crucial 32GB DDR5 RAM, 5600MHz (or 5200MHz or 4800MHz) Laptop Memory, SODIMM 262-Pin, Compatible with 13th Gen Intel Core and AMD Ryzen 6000 - CT32G56C46S532 GB$517.99-DDR5 SO-DIMM 5600MHzNon-ECC-Buy on Amazon
Samsung 32GB DDR5 5600MHz PC5-44800 CL46 SODIMM 2Rx8 Dual Rank 1.1V 262-Pin Laptop RAM Memory M425R4GA3BB0-CWM32 GB$539.00-DDR5 SO-DIMM 5600MHzNon-ECC-Buy on Amazon
OWC 32GB DDR5 4800MHz Non-ECC SODIMM 262-pin Memory RAM32 GB$629.99-DDR5 SO-DIMM 4800MHzNon-ECC-Buy on Amazon
OWC 32GB Memory RAM Compatible with UGREEN NASync DXP4800 DXP4800 Plus32 GB$629.99-DDR5 SO-DIMMNon-ECC-Buy on Amazon

Frequently asked questions

How much RAM can the F4-425 Pro take?

32GB. TerraMaster writes the limit as 32 GB non-ECC SODIMM.

How many memory slots does the F4-425 Pro have?

One, with 8GB or 16GB fitted from the factory.

Does the F4-425 Pro use ECC memory?

No. TerraMaster specifies DDR5 non-ECC SO-DIMM.