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Four green DDR4 RDIMM modules with gold contacts and black chips

NEMIX RAM

NEMIX RAM 64GB 4x16GB DDR4 2666 ECC RDIMM CL19 1.2V 288-pin ASRock EPYC memory upgrade

SKU CH-1AS7-YZ21C

64GB kit of four 16GB DDR4-2666 ECC registered DIMMs at CL19 and 1.2V for ASRock EPYC motherboards

  • Capacity64GB (4 x 16GB)
  • SpeedDDR4 2666 (PC4 21300)
  • ECCYes
  • Buffered/RegisteredRegistered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.20V

Capacity 64GB 4X16GB

  • 64 GB kit expands server capacity with four 16 GB modules
  • DDR4 2666 speed delivers 21300 MT/s throughput for heavy workloads
  • ECC registered design corrects errors to protect data integrity
  • Low 1.20 V operation reduces power draw in dense configurations
  • Validated for ASRock EPYC motherboards to ensure reliable compatibility

ASRock EPYC memory kit

This 64GB kit contains four 16GB DDR4 2666 registered DIMMs built for ASRock Rack ROMED8-2T motherboards running AMD EPYC processors. Each module operates at 1.2V with CL19 latency and includes ECC error correction for data integrity in server workloads. The 2Rx8 organisation and 288-pin RDIMM form factor match the board's registered memory slots exactly.

Replaces non-ECC or slower DDR4

The jump is worth it when your current installation uses unbuffered DIMMs, lower speeds or capacities that limit the number of ranks per channel. Registered ECC modules add the signal buffering and error detection that multi-socket EPYC platforms require for stable operation under sustained load. Systems already populated with identical 2666 RDIMMs will not see a functional improvement from this kit.

Four-slot population for quad-channel EPYC

The kit fills four DIMM slots to activate quad-channel bandwidth on compatible ASRock Rack motherboards. No heat spreaders are fitted, so airflow across the modules depends on the chassis and CPU cooler layout. Builders needing more than 64GB must verify the board's maximum supported capacity and rank limits before adding further kits.

Pontos fortes

  • 64 GB kit expands server capacity with four 16 GB modules
  • DDR4 2666 speed delivers 21300 MT/s throughput for heavy workloads
  • ECC registered design corrects errors to protect data integrity
  • Low 1.20 V operation reduces power draw in dense configurations
  • Validated for ASRock EPYC motherboards to ensure reliable compatibility

Especificações

BrandNEMIX RAM
SeriesASRock Server Motherboard Compatible Series Memory
ModelASRock DDR4 2666MHZ ECC RDIMM Registered Server Memory
Part NumberMR21300-628K4
Capacity64GB (4 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 Content64GB (4X16GB) DDR4 2666MHZ PC4-21300 2Rx8 1.2V CL19 288-PIN ECC RDIMM Registered Server Memory KIT

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Perguntas sobre este artigo

Will the 288-pin RDIMMs fit the ASRock Rack ROMED8-2T motherboard slots?

Yes, the kit is built for that board and uses the standard 288-pin DDR4 RDIMM form factor.

What is the correct order to populate the four 16 GB modules on the EPYC platform?

Follow the motherboard manual for channel population; the usual mistake is skipping a primary slot and leaving a channel empty.

Do the Samsung, Micron or Hynix chips used in these modules require any periodic maintenance?

No scheduled maintenance is needed; ECC corrects single-bit errors on the fly and the modules run at 1.20 V without active cooling.

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