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Green circuit board with black memory chips, 260-pin DDR4 SODIMM module

A-Tech

A-Tech 32GB DDR4 2933MHz ECC SODIMM CL21 1.2V 260-Pin

SKU CH-VYWM-1GARE

32 GB DDR4 ECC SODIMM at 2933 MHz with CL21 latency and 1.2 V operation for compatible microserver upgrades

  • Total capacity32 GB
  • Rated speedDDR4 2933 (PC4 23400)
  • CAS latencyCL21
  • Rated voltage1.2 V
  • Buffer typeUnbuffered
  • Recommended forCompatible Replacement for Hynix HMAA4GS7AJR8N-WM
  • 32 GB capacity expands multitasking headroom for demanding workloads
  • ECC protection detects and corrects single-bit errors automatically
  • 2933 MHz DDR4 speed moves data faster through the system
  • 2 V standard voltage keeps power draw low
  • 260-pin SO-DIMM form factor fits compatible laptop and microserver slots

32GB DDR4 2933MHz ECC SODIMM

This 32GB DDR4 2933MHz ECC SODIMM module is built for microserver, server and workstation laptops that require error-correcting memory. It runs at PC4-23400 speed with CL21 latency and standard 1.20V voltage. The unbuffered 260-pin design fits compatible SO-DIMM slots in compact enterprise systems.

Replaces Hynix HMAA4GS7AJR8N-WM

The module serves as a direct compatible replacement for the Hynix HMAA4GS7AJR8N-WM part. The upgrade is worth it when your current system shows memory pressure under multi-threaded workloads or virtualisation tasks. Adding ECC protection helps prevent data corruption in always-on environments where uptime matters.

32GB single-module capacity

One 32GB stick provides substantial headroom for running multiple virtual machines, large databases or heavy container workloads without swapping. The single-module layout leaves additional SO-DIMM slots free for future expansion if the platform supports more than 32GB total. Systems limited to lower maximum memory per slot or non-ECC architectures cannot use this module.

How it compares

Measured against everything we stock in Laptop RAM, at today’s prices. Recalculated every night.

Price $261.99
Pricier than about 83% of the 2,079 comparable items (median $70.99).
Total capacity 32 GB
Higher than about 80% of the 1,886 comparable items (median 16 GB).
Price per GB $8.19 per GB
Pricier than about 71% of the 1,886 comparable items (median $5.94 per GB).

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Specifications

Product
Brand nameA-Tech
Product lineCompatible Replacement for Hynix
Model nameHMAA4GS7AJR8N-WM
Total capacity32 GB
Product type260-Pin DDR4 SO-DIMM
Performance
Rated speedDDR4 2933 (PC4 23400)
Memory
CAS latencyCL21
ECC supportYes
Buffer typeUnbuffered
Heat spreaderNo
Power
Rated voltage1.2 V
Compatibility
Recommended forCompatible Replacement for Hynix HMAA4GS7AJR8N-WM

Questions about this item

Will this 260-pin DDR4 SODIMM fit my laptop's memory slot?

The module uses the standard 260-pin DDR4 SO-DIMM form factor. It fits any slot built for DDR4 SO-DIMMs, but you must confirm your system accepts 32 GB unbuffered ECC modules before buying.

What is the correct way to seat this 260-pin module so it locks in?

Align the notch on the module with the key in the slot, press straight down with even pressure until the side retention clips snap into the notches on the PCB.

Does this 1.2 V ECC SODIMM need any firmware updates or periodic replacement?

No firmware updates are required for the memory itself. The module has no moving parts and no heat spreader, so it runs maintenance-free for the life of the system.

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