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Four green DDR4 RDIMM modules, black chips, no heat spreaders

NEMIX RAM

NEMIX RAM 128GB (4x32GB) DDR4 2933 CL21 ECC RDIMM memory upgrade

SKU CH-E8GD-CWP5S

128 GB DDR4-2933 ECC registered server kit in four 32 GB modules at CL21 and 1.2 V

  • Total capacity128 GB (4 × 32 GB)
  • Rated speedDDR4 2933 (PC4 23400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL21
  • Buffer typeRegistered
  • Rated voltage1.2 V

Capacity 128GB 4X32GB

  • 128 GB total capacity across four 32 GB modules
  • DDR4 2933 MHz speed with PC4-23400 bandwidth rating
  • ECC registered RDIMM design for server data integrity
  • 2Rx4 dual-rank organisation for dense memory configurations
  • 20 V low-voltage operation reduces power draw

128 GB DDR4 ECC RDIMM kit

This 128 GB kit contains four 32 GB DDR4 2933 registered DIMMs built for the ASRock Rack ROMED8-2T motherboard. It targets administrators who need validated ECC memory for AMD EPYC server platforms.

Thermals power and noise

The modules run at 1.20 V without heat spreaders, relying on chassis airflow for cooling. Registered buffering and ECC operation add negligible power draw and produce no audible noise under normal server loads.

ASRock ROMED8-2T compatibility

The kit is qualified for the ASRock Rack ROMED8-2T board with AMD EPYC processors; it is not suited for consumer desktops or boards that require unbuffered non-ECC memory.

How it compares

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

Price $971.99
Pricier than about 60% of the 21,161 comparable items (median $397.99).
Total capacity 128 GB (4 × 32 GB)
Higher than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $7.59 per GB
Typical for this category: the median of 20,941 items is $8.19 per GB.

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Specifications

Product
Brand nameNEMIX RAM
Product lineASRock Server Motherboard Compatible Series Memory
Model nameASRock DDR4 2933 MHz ECC RDIMM Registered Server Memory
Part numberMR23400-324K4
Total capacity128 GB (4 × 32 GB)
Product type288-Pin DDR4 RDIMM
Performance
Rated speedDDR4 2933 (PC4 23400)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL21
ECC supportYes
Buffer typeRegistered
Heat spreaderNo
Memory rank2Rx4
Power
Rated voltage1.2 V
Compatibility
Compatible systemsASRock
In the box
Included items128 GB (4 × 32 GB) DDR4 2933 MHz PC4-23400 2Rx4 1.2 V CL21 288-PIN ECC RDIMM Registered Server Memory KIT

Other versions of this model

5 more in the same range

Questions about this item

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

Power off the server, open the chassis, align each module notch with the slot key, press firmly until both retention clips click, then verify in BIOS that all 128 GB are detected at 2933 MT/s with ECC enabled.

What maintenance or replacement will the 2Rx4 ECC RDIMM kit need over its service life?

The modules have no moving parts or heat spreaders; only periodic dust removal from the DIMM slots and a firmware update if the platform vendor releases new memory-training code are required.

What limit appears first when the 1.2 V CL21 registered memory runs sustained workloads on EPYC?

The memory controller’s maximum supported data rate of 2933 MT/s is the ceiling; sustained throughput cannot exceed the PC4-23400 bandwidth of the installed 4×32 GB configuration.

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