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Eight green DDR4 RDIMM modules in a row

NEMIX RAM

NEMIX RAM 128GB (8x16GB) DDR4 2666 ECC RDIMM CL19 1.2V 288-pin memory upgrade

SKU CH-1MFE-0WQ8Y

Eight 16 GB DDR4 2666 ECC registered DIMMs deliver 128 GB at 1.2 V with CL19 latency for ASRock Rack EPYC boards

  • Capacity128GB (8 x 16GB)
  • SpeedDDR4 2666 (PC4 21300)
  • ECCYes
  • Buffered/RegisteredRegistered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.20V

Capacity 128GB 8X16GB

  • 128 GB total capacity across 8 modules of 16 GB each
  • DDR4 2666 speed rated at PC4-21300 for server workloads
  • ECC registered RDIMM design protects data integrity in critical systems
  • Low 1.2 V operation reduces power draw in dense configurations
  • Validated for ASRock Rack ROMED8-2T with AMD EPYC processors

128GB ECC RDIMM Kit for ASRock EPYC Servers

This kit supplies 128GB of DDR4 2666 registered memory in eight 16GB modules. It is built for ASRock Rack ROMED8-2T motherboards running AMD EPYC processors where error-correcting code and registered buffering are required for stability.

Verify DIMM Slots and BIOS Revision

Confirm the motherboard has eight free 288-pin DDR4 slots and that the BIOS version supports 2Rx8 registered modules at PC4-21300 speed. The kit operates at 1.2V with CL19 latency, so the platform must accept that voltage and timing without manual adjustment.

Registered ECC Modules for Multi-Socket Density

Each module is a 2Rx8 registered DIMM without heat spreaders, allowing tight spacing in multi-socket server chassis. The registered buffer reduces electrical load on the memory controller, freeing the CPU to address the full 128GB capacity across all populated channels.

Highlights

  • 128 GB total capacity across 8 modules of 16 GB each
  • DDR4 2666 speed rated at PC4-21300 for server workloads
  • ECC registered RDIMM design protects data integrity in critical systems
  • Low 1.2 V operation reduces power draw in dense configurations
  • Validated for ASRock Rack ROMED8-2T with AMD EPYC processors

Specifications

BrandNEMIX RAM
SeriesASRock Server Motherboard Compatible Series Memory
ModelASRock DDR4 2666MHZ ECC RDIMM Registered Server Memory
Part NumberMR21300-628K8
Capacity128GB (8 x 16GB)
SpeedDDR4 2666 (PC4 21300)
ECCYes
Buffered/RegisteredRegistered
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.20V
Compatible SystemASRock
CAS LatencyCL19
Heat SpreaderNo
Type288-Pin DDR4 RDIMM
Rank2Rx8
FeaturesDDR4 ECC Registered RDIMM Server Motherboard Compatible
Package Content128GB (8X16GB) DDR4 2666MHZ PC4-21300 2Rx8 1.2V CL19 288-PIN ECC RDIMM Registered Server Memory KIT

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Questions about this item

Does the 128GB kit include only the eight 16GB modules or are any extra parts supplied?

The package contains the eight 16GB DDR4 2666 ECC registered DIMMs and nothing else.

How do I decide between this 128GB 2666MHz CL19 kit and a different capacity or speed if both are listed?

Choose this kit when the system requires eight registered 2Rx8 modules at 1.2V for a total of 128GB; other capacities or speeds will have different part numbers.

What does the 2666MHz rating mean for actual throughput once the modules are installed in a compatible server?

The modules run at the DDR4 2666 data rate with CL19 latency, delivering the standard bandwidth for that speed class in a registered ECC configuration.

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