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Green rectangular DDR4 LRDIMM module with black chips and gold contacts

NEMIX RAM

NEMIX RAM 64GB DDR4 2666 PC4-21300 CL19 4Rx4 1.2V 288-PIN ECC LRDIMM memory upgrade

SKU CH-6C29-8PMCJ

64GB DDR4 2666 ECC LRDIMM server memory module for ASRock EPYC motherboards

  • Capacity64GB
  • SpeedDDR4 2666 (PC4 21300)
  • ECCYes
  • Buffered/RegisteredLoad Reduced
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.20V

Capacity 64GB

  • 64 GB capacity expands server memory headroom for virtualization workloads
  • DDR4 2666 speed delivers 21300 MT/s bandwidth for data-intensive applications
  • ECC LRDIMM technology corrects single-bit errors to protect mission-critical data integrity
  • 2 V operation reduces power draw per module in dense configurations
  • Validated for ASRock Rack ROMED8-2T EPYC motherboards ensuring drop-in compatibility

ASRock EPYC server memory upgrade

This 64GB DDR4 LRDIMM is validated for the ASRock Rack ROMED8-2T motherboard running AMD EPYC processors. It targets administrators expanding memory capacity in enterprise servers and workstations that require registered ECC modules.

Sustained load stability with load-reduced design

The 4Rx4 organisation and load-reduced buffering lower electrical loading on the memory bus, allowing the module to maintain 2666 MT/s throughput under continuous multi-threaded workloads. ECC correction and 1.20V operation keep error rates low during extended compute cycles without increasing power draw.

Replaces lower-capacity RDIMMs when density matters

Moving from standard registered DIMMs to this single 64GB LRDIMM frees DIMM slots for future expansion while delivering the same CL19 latency. The upgrade is worthwhile when the platform supports load-reduced memory and the workload demands more gigabytes per channel than RDIMM densities allow.

Highlights

  • 64 GB capacity expands server memory headroom for virtualization workloads
  • DDR4 2666 speed delivers 21300 MT/s bandwidth for data-intensive applications
  • ECC LRDIMM technology corrects single-bit errors to protect mission-critical data integrity
  • 2 V operation reduces power draw per module in dense configurations
  • Validated for ASRock Rack ROMED8-2T EPYC motherboards ensuring drop-in compatibility

Specifications

BrandNEMIX RAM
SeriesASRock Server Motherboard Compatible Series Memory
ModelASRock DDR4 2666MHZ ECC LRDIMM Load Reduced Server Memory
Part NumberML21300-944K1
Capacity64GB
SpeedDDR4 2666 (PC4 21300)
ECCYes
Buffered/RegisteredLoad Reduced
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.20V
Compatible SystemASRock
CAS LatencyCL19
Heat SpreaderNo
Type288-Pin DDR4 LRDIMM
Rank4Rx4
FeaturesDDR4 ECC LRDIMM Load Reduced Server Motherboard Compatible
Package Content64GB (1X64GB) DDR4 2666MHZ PC4-21300 4Rx4 1.2V CL19 288-PIN ECC LRDIMM Load Reduced Server Memory

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Questions about this item

How much power does the 1.2V 64GB LRDIMM draw when the server runs continuously?

The module operates at 1.2V; DDR4 LRDIMM design reduces electrical load on the memory bus, helping keep power draw lower than standard registered DIMMs at the same capacity.

What motherboard slot and chipset support are required to install this 288-pin DDR4 LRDIMM?

A 288-pin DDR4 slot with ECC and load-reduced support is needed; the kit is validated for the ASRock Rack ROMED8-2T motherboard used with AMD EPYC processors.

Will this CL19 2666MHz module work alongside older DDR4 RDIMMs already in my EPYC system?

Mixing LRDIMM with standard RDIMM is not supported on EPYC platforms; all populated slots must use the same load-reduced technology for the system to boot and run stably.

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