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Two green DDR4 RDIMM sticks without heat spreaders

NEMIX RAM

NEMIX RAM 64GB (2x32GB) DDR4 2666 ECC RDIMM CL19 2Rx4 memory upgrade

SKU CH-CR7K-XXQ29

64 GB dual-rank ECC registered DDR4 kit at 2666 MHz with CL19 latency and 1.2 V operation

  • Capacity64GB (2 x 32GB)
  • SpeedDDR4 2666 (PC4 21300)
  • ECCYes
  • Buffered/RegisteredRegistered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.20V

Capacity 64GB 2X32GB

  • 64 GB total capacity from two 32 GB modules
  • DDR4 2666 speed rated at PC4-21300 bandwidth
  • ECC registered design detects and corrects data errors
  • Low 1.2 V operation reduces server power draw
  • Validated for ASRock Rack ROMED8-2T EPYC motherboards

Capacity and Configuration

This kit delivers 64GB of DDR4 memory in a matched pair of 32GB modules. It is built for servers and workstations that require registered ECC modules to maintain data integrity under continuous load.

Registered ECC Headroom

The 2Rx4 organisation and CL19 timing at 2666MHz provide stable throughput for multi-threaded workloads and virtualisation hosts. Capacity limits appear when applications demand more than 64GB per channel or require higher clock speeds than the PC4-21300 rating allows.

ASRock Rack ROMED8-2T Compatibility

These modules are validated for the ASRock Rack ROMED8-2T motherboard supporting AMD EPYC processors. Builders targeting a different platform or a consumer board without registered DIMM support must select an alternative kit.

Points forts

  • 64 GB total capacity from two 32 GB modules
  • DDR4 2666 speed rated at PC4-21300 bandwidth
  • ECC registered design detects and corrects data errors
  • Low 1.2 V operation reduces server power draw
  • Validated for ASRock Rack ROMED8-2T EPYC motherboards

Caractéristiques

BrandNEMIX RAM
SeriesASRock Server Motherboard Compatible Series Memory
ModelASRock DDR4 2666MHZ ECC RDIMM Registered Server Memory
Part NumberMR21300-324K2
Capacity64GB (2 x 32GB)
SpeedDDR4 2666 (PC4 21300)
ECCYes
Buffered/RegisteredRegistered
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.20V
Compatible SystemASRock
CAS LatencyCL19
Heat SpreaderNo
Type288-Pin DDR4 RDIMM
Rank2Rx4
FeaturesDDR4 ECC Registered RDIMM Server Motherboard Compatible
Package Content64GB (2X32GB) DDR4 2666MHZ PC4-21300 2Rx4 1.2V CL19 288-PIN ECC RDIMM Registered Server Memory KIT

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Questions sur cet article

Will this 2Rx4 ECC RDIMM work with the DDR4 2666 modules already installed in my ASRock Rack ROMED8-2T?

Yes, these registered ECC modules run at DDR4 2666 with CL19 latency and 1.20 V, matching the speed and voltage of existing DDR4 2666 RDIMMs in that platform.

How can I verify the kit is running at 2666 MT/s with ECC active after installation?

Check the BIOS memory information or use a tool such as dmidecode; it should report 2666 MT/s, registered ECC, 2Rx4 organisation and CL19 timings for each 32 GB module.

Does the package include only the two 32 GB RDIMMs or are any extra parts supplied?

The box contains the 64 GB kit (2 × 32 GB) DDR4 2666 ECC RDIMMs only; no heat spreaders, cables or additional hardware are included.

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