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Two green DDR4 LRDIMM modules with black chips, no heat spreader

NEMIX RAM

NEMIX RAM 128GB (2x64GB) DDR4 2933 PC4-23400 ECC LRDIMM ASRock EPYCD8-2T memory upgrade

SKU CH-NX40-W37BJ

A 128 GB DDR4-2933 ECC LRDIMM kit validated for the ASRock Rack EPYCD8-2T server motherboard

  • Capacity128GB (2 x 64GB)
  • SpeedDDR4 2933 (PC4 23400)
  • ECCYes
  • Buffered/RegisteredLoad Reduced
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.20V

Capacity 128GB 2X64GB

  • 128 GB capacity with two 64 GB modules
  • DDR4 2933 speed rated at PC4-23400
  • ECC LRDIMM load-reduced design for signal integrity
  • 2 V operation at CL21 CAS latency
  • Validated for ASRock Rack EPYCD8-2T motherboard

128 GB DDR4 ECC LRDIMM kit

This 128 GB kit contains two 64 GB DDR4 ECC LRDIMM modules built for the ASRock Rack EPYCD8-2T motherboard. The load-reduced design helps maintain signal integrity across dense memory configurations. It targets IT professionals who need validated capacity for virtualization or database workloads.

CL21 at 2933 MT/s and 1.2 V

The modules run at DDR4 2933 (PC4-23400) with a CAS latency of 21 and a nominal voltage of 1.20 V. ECC and load-reduced buffering add error correction and electrical load reduction without increasing power draw per module. No heat spreader is fitted, so airflow across the DIMM slots handles thermal management.

Two-module kit with lifetime replacement

The package delivers the full 128 GB as a matched pair of 288-pin LRDIMMs. NEMIX RAM stress-tests each module under load before shipment and backs the kit with a lifetime replacement warranty supported by US-based IT staff. No additional software or accessories are included.

Points forts

  • 128 GB capacity with two 64 GB modules
  • DDR4 2933 speed rated at PC4-23400
  • ECC LRDIMM load-reduced design for signal integrity
  • 2 V operation at CL21 CAS latency
  • Validated for ASRock Rack EPYCD8-2T motherboard

Caractéristiques

BrandNEMIX RAM
SeriesASRock Server Motherboard Compatible Series Memory
ModelASRock DDR4 2666MHZ ECC LRDIMM Load Reduced Server Memory
Part NumberML23400-944K2
Capacity128GB (2 x 64GB)
SpeedDDR4 2933 (PC4 23400)
ECCYes
Buffered/RegisteredLoad Reduced
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.20V
Compatible SystemASRock
CAS LatencyCL21
Heat SpreaderNo
Type288-Pin DDR4 LRDIMM
Rank4Rx4
FeaturesDDR4 ECC LRDIMM Load Reduced Server Motherboard Compatible
Package Content128GB (2X64GB) DDR4 2933MHZ PC4-23400 4Rx4 1.2V CL21 288-PIN ECC LRDIMM Load Reduced Server Memory KIT

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Questions sur cet article

How do I install the 288-Pin DDR4 LRDIMM modules in the ASRock EPYCD8-2T and what step is often missed?

Align the notch on each 64 GB module with the slot key, press firmly until both retaining clips click, then verify in BIOS that all 128 GB are detected at 2933 MT/s — the step often missed is enabling the correct memory profile so the kit runs at its rated speed rather than the default 2666 MT/s.

What maintenance or replacement will the 4Rx4 ECC LRDIMM kit need over its service life?

The modules have no moving parts and no heat spreader, so no routine maintenance is required; ECC corrects single-bit errors on the fly, and if a module ever fails the lifetime replacement warranty covers a direct swap of the faulty 64 GB stick.

What is the first limit that appears when the 1.2 V CL21 kit runs under sustained heavy load?

The CAS latency of CL21 at 2933 MT/s sets the timing ceiling; under continuous throughput the memory controller will hit this latency boundary before voltage or thermal constraints become an issue.

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