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Two green 288-pin DDR4 LRDIMM modules without heat spreaders

NEMIX RAM

NEMIX RAM 128GB (2x64GB) DDR4 3200 CL22 4Rx4 ECC LRDIMM ASRock EPYCD8-2T memory upgrade

SKU CH-F5W6-C7MF1

Two 64 GB DDR4 3200 CL22 ECC LRDIMM modules deliver 128 GB for the ASRock EPYCD8-2T server board

  • Total capacity128 GB (2 × 64 GB)
  • Rated speedDDR4 3200 (PC4 25600)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL22
  • Buffer typeLoad Reduced
  • Rated voltage1.2 V

Capacity 128GB 2X64GB

  • 128 GB total capacity for demanding server workloads
  • Load-reduced ECC design improves signal integrity at scale
  • DDR4 3200 speed with CL22 latency for responsive throughput
  • 2 V operation reduces power draw per module
  • Validated for ASRock Rack EPYCD8-2T motherboard compatibility

ASRock EPYCD8-2T 128GB DDR4 Kit

This 128GB kit supplies two 64GB DDR4 3200 ECC LRDIMM modules built for the ASRock Rack EPYCD8-2T motherboard. Load-reduced architecture lowers electrical load on the memory bus so dense configurations remain stable. Modules run at 1.2V with CL22 latency and a 4Rx4 organisation. The 288-pin form factor matches the server board's DIMM slots exactly.

Suited for EPYCD8-2T capacity upgrades

Administrators expanding an EPYCD8-2T to 128GB in two slots will find the kit validated for that platform. Builds needing unbuffered UDIMMs, standard RDIMMs, non-ECC memory or speeds above DDR4 3200 should select a different part. Systems that require a heat spreader or a single-module population will also need an alternative.

Tool-free DIMM installation

Align each module's notch with the slot key, press down until the ejector tabs click, and confirm seating before powering on. Common issues include mixing LRDIMMs with RDIMMs on the same channel, populating slots in an order the board manual forbids, or leaving a tab unlatched. Always follow the EPYCD8-2T memory population rules for the chosen capacity.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $935.99
Pricier than about 60% of the 21,161 comparable items (median $397.99).
Total capacity 128 GB (2 × 64 GB)
Higher than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $7.31 per GB
Cheaper than about 55% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineASRock Server Motherboard Compatible Series Memory
Model nameASRock DDR4 3200 MHz ECC LRDIMM Load Reduced Server Memory
Part numberML25600-944K2
Total capacity128 GB (2 × 64 GB)
Product type288-Pin DDR4 LRDIMM
Performance
Rated speedDDR4 3200 (PC4 25600)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL22
ECC supportYes
Buffer typeLoad Reduced
Heat spreaderNo
Memory rank4Rx4
Power
Rated voltage1.2 V
Compatibility
Compatible systemsASRock
In the box
Included items128 GB (2 × 64 GB) DDR4 3200 MHz PC4-25600 4Rx4 1.2 V CL22 288-PIN ECC LRDIMM Load Reduced Server Memory KIT

Other versions of this model

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Questions about this item

Do I need an ASRock Rack EPYCD8-2T motherboard with free 288-pin DDR4 slots to install this 2x64GB kit?

Yes, this 128GB kit is validated for the ASRock Rack EPYCD8-2T and requires two vacant 288-pin DDR4 LRDIMM sockets.

Can I keep my existing DDR4 3200 CL22 ECC LRDIMM modules and add this kit without changing BIOS settings?

Matching speed, voltage, rank and ECC type lets the system train all modules at DDR4 3200 1.20V CL22 automatically.

How do I confirm the full 128GB is recognised and ECC is active after installation?

Check POST memory count, then verify 128GB and ECC enabled in the BIOS memory information screen or OS tools like dmidecode.

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