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Eight green DDR4 RDIMM sticks in a row

NEMIX RAM

NEMIX RAM 256GB (8x32GB) DDR4 2933 ECC RDIMM CL21 1.2V 288-Pin memory upgrade

SKU CH-BA9C-Y2TY1

Eight 32 GB DDR4 2933 ECC RDIMM modules deliver 256 GB of registered server memory with CL21 latency at 1.2 V

  • Capacity256GB (8 x 32GB)
  • SpeedDDR4 2933 (PC4 23400)
  • ECCYes
  • Buffered/RegisteredRegistered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.20V

Capacity 256GB 8X32GB

  • 256GB total capacity across eight 32GB modules
  • ECC registered design protects data integrity in servers
  • DDR4 2933 speed with CL21 latency
  • 2V operation reduces power draw
  • Validated for ASRock Rack EPYCD8-2T motherboards

Capacity and fit

This 256GB kit delivers eight 32GB DDR4 2933 registered ECC modules built for the ASRock Rack EPYCD8-2T motherboard. It targets server and workstation administrators who need maximum supported capacity in a validated configuration.

Thermals and power

Each RDIMM runs at 1.2V with no heat spreader, relying on chassis airflow for cooling. Registered buffering and ECC add minimal latency overhead while keeping power draw predictable under sustained enterprise workloads.

Upgrade context

The kit replaces smaller or mixed-capacity DIMM sets to populate all slots with matched 2Rx4 modules. It is not for platforms that require unbuffered UDIMMs, non-ECC memory or speeds beyond DDR4 2933.

Highlights

  • 256GB total capacity across eight 32GB modules
  • ECC registered design protects data integrity in servers
  • DDR4 2933 speed with CL21 latency
  • 2V operation reduces power draw
  • Validated for ASRock Rack EPYCD8-2T motherboards

Specifications

BrandNEMIX RAM
SeriesASRock Server Motherboard Compatible Series Memory
ModelASRock DDR4 2933MHZ ECC RDIMM Registered Server Memory
Part NumberMR23400-324K8
Capacity256GB (8 x 32GB)
SpeedDDR4 2933 (PC4 23400)
ECCYes
Buffered/RegisteredRegistered
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.20V
Compatible SystemASRock
CAS LatencyCL21
Heat SpreaderNo
Type288-Pin DDR4 RDIMM
Rank2Rx4
FeaturesDDR4 ECC Registered RDIMM Server Motherboard Compatible
Package Content256GB (8X32GB) DDR4 2933MHZ PC4-23400 2Rx4 1.2V CL21 288-PIN ECC RDIMM Registered Server Memory KIT

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Questions about this item

How do I install the 8x32GB DDR4 2933 ECC RDIMM kit into the ASRock Rack EPYCD8-2T motherboard, and what step is often missed?

Power down the server, open the chassis, align each 288-pin module with the keyed slot, press firmly until the retention clips click, then verify all eight modules are recognised in the BIOS memory map — the step often missed is confirming the 2Rx4 rank population order required by the EPYCD8-2T memory-subsystem guide.

What maintenance or replacement will the 256GB DDR4 2933 ECC RDIMM kit need later?

No scheduled maintenance is required; the modules have no heat spreader and run at 1.20V, so only periodic dust removal from the DIMM slots is needed, and replacement occurs only if a module fails ECC correction or the server is upgraded beyond DDR4 2933.

What limit appears first under sustained load with the 2933MHz CL21 2Rx4 registered modules?

The CAS-21 latency at DDR4 2933 sets the throughput ceiling; sustained workloads will hit the 23400 MB/s bandwidth limit of the PC4-23400 interface before thermal or voltage constraints become a factor.

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