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Two green DDR4 LRDIMM modules with black chips no heat spreader

NEMIX RAM

NEMIX RAM 128GB (2x64GB) DDR4 3200 CL22 4Rx4 ECC LRDIMM 1.2V 288-Pin ASRock ROMED8-2T EPYC memory upgrade

SKU CH-JVM1-Q2QAD

ECC load-reduced DDR4 kit with two 64 GB modules at 3200 MT/s CL22 for the ASRock ROMED8-2T EPYC 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 from two 64 GB modules
  • DDR4 3200 speed rated at PC4-25600 bandwidth
  • ECC error correction protects data integrity
  • Load-reduced 4Rx4 design eases electrical load on the memory controller
  • 288-pin LRDIMM form factor fits the ASRock ROMED8-2T EPYC motherboard

128GB DDR4 ECC LRDIMM kit for ASRock ROMED8-2T

This 128GB kit contains two 64GB DDR4 3200 CL22 ECC LRDIMM modules. It is built for the ASRock Rack ROMED8-2T motherboard and AMD EPYC server platforms. The load-reduced design helps maintain signal integrity at high density. Modules operate at 1.2V and use a 288-pin form factor.

Suited for ROMED8-2T upgrades.

This memory suits administrators upgrading an ASRock Rack ROMED8-2T system with validated ECC LRDIMM modules. It is not for desktops or workstations that require unbuffered non-ECC UDIMMs. Builders needing RDIMM instead of LRDIMM should look elsewhere. Systems limited to lower densities per slot cannot use these 64GB modules.

4Rx4 organisation at DDR4 3200 CL22

Each 64GB module uses a 4Rx4 rank configuration running at DDR4 3200 with CAS latency 22. The 4Rx4 organisation is the key specification that determines compatibility with the ROMED8-2T memory controller. Verify that your platform supports 4Rx4 LRDIMM population rules before purchase.

How it compares

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

Price $895.99
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 $7.00 per GB
Cheaper than about 57% 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

How do I install the 288-pin DDR4 LRDIMM modules into the ASRock ROMED8-2T and what step is often missed?

Power down the server, open the chassis, align each 64 GB module's notch with the slot key, press firmly until both retention clips click, then verify in BIOS that all 128 GB are detected at 3200 MT/s; the step often missed is checking the motherboard manual for the correct population order for 4Rx4 LRDIMMs.

What maintenance or replacement will the 128 GB ECC LRDIMM kit need over its service life?

The modules have no heat spreaders or moving parts, so no routine maintenance is required; if a DIMM fails, the lifetime replacement warranty covers a direct swap of the faulty 64 GB stick, and ECC scrubbing in the OS handles correctable errors automatically.

What limit appears first when the 4Rx4 LRDIMMs run sustained workloads at 1.20 V?

The 4Rx4 organisation places a heavier electrical load on the memory controller, so the practical ceiling is usually the maximum ranked DIMMs per channel the EPYC platform supports at 3200 MT/s; exceeding that population drops the speed below the rated 3200 frequency.

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