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Four green DDR4 RDIMM sticks in a row

NEMIX RAM

NEMIX RAM 32GB (4x8GB) DDR4 2933 ECC RDIMM CL21 1.2V 288-pin memory upgrade

SKU CH-1Q6Y-109Q5

A 32 GB DDR4 ECC registered server memory kit running at 2933 MHz with CL21 latency and 1.2 V operation

  • Total capacity32 GB (4 × 8 GB)
  • Rated speedDDR4 2933 (PC4 23400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL21
  • Buffer typeRegistered
  • Rated voltage1.2 V

Capacity 32GB 4X8GB

  • ECC protection prevents data corruption in critical workloads
  • 32GB kit expands server capacity for demanding applications
  • DDR4 2933 speed matches EPYC platform specifications
  • Registered design stabilises signal integrity on multi-DIMM boards
  • 20V operation reduces power draw per module

Compatible ECC RDIMM kit for ASRock EPYC boards

This 32 GB kit contains four 8 GB registered DDR4 modules rated at 2933 MT/s with CL21 latency. Each stick is a 1Rx8 ECC RDIMM built for ASRock Rack ROMED8-2T motherboards running AMD EPYC processors. The modules operate at 1.20 V and use major OEM chips from Samsung, Micron or Hynix.

Passive thermals and registered power profile

Without heat spreaders the modules rely on chassis airflow, keeping acoustic output to zero. Registered buffering places the electrical load on the module rather than the CPU memory controller, which steadies power draw across all four slots at the rated 1.20 V. ECC circuitry adds single-bit correction without measurable thermal penalty.

Four-slot population frees remaining channels

Populating four 288-pin slots with this kit leaves additional memory channels open for future expansion on supported platforms. The registered design reduces signal loading on the memory bus, helping stability when more modules are added later. Builders who need higher single-module densities or non-registered memory should look elsewhere.

How it compares

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

Price $314.99
Typical for this category: the median of 21,161 items is $397.99.
Total capacity 32 GB (4 × 8 GB)
Typical for this category: the median of 20,941 items is 32 GB.
Price per GB $9.84 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 numberMR23400-818K4
Total capacity32 GB (4 × 8 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 rank1Rx8
Power
Rated voltage1.2 V
Compatibility
Compatible systemsASRock
In the box
Included items32 GB (4 × 8 GB) DDR4 2933 MHz PC4-23400 1Rx8 1.2 V CL21 288-PIN ECC RDIMM Registered Server Memory KIT

Other versions of this model

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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?

Align the notch on each 288-pin module with the slot key, press firmly until both retention clips click, then verify in BIOS that all four 8 GB sticks are detected at 2933 MT/s; the step often missed is populating the correct channel slots per the motherboard manual for quad-channel operation.

What maintenance or replacement will the ECC RDIMM kit need over time?

The modules have no heat spreaders and no moving parts, so no routine maintenance is required; if a stick fails the lifetime replacement warranty covers it, otherwise they run until the server is decommissioned.

What limit appears first when the 1Rx8 registered DIMMs run sustained workloads at 1.2 V?

The CL21 latency at 2933 MT/s sets the throughput ceiling; under continuous load the memory controller hits that timing boundary before voltage or thermal limits become a factor.

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