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Two green DDR4 RDIMM modules, 288-pin, no heat spreader

NEMIX RAM

NEMIX RAM 128GB (2x64GB) DDR4 2666 ECC RDIMM CL19 1.2V ASRock EPYC memory upgrade

SKU CH-4D8D-J48BP

Dual 64 GB DDR4 ECC RDIMM kit runs at 2666 MHz with CL19 latency for ASRock EPYC server boards

  • Capacity128GB (2 x 64GB)
  • SpeedDDR4 2666 (PC4 21300)
  • ECCYes
  • Buffered/RegisteredRegistered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.20V

Capacity 128GB 2X64GB

  • 128 GB total capacity from two 64 GB modules
  • DDR4 2666 speed rated at PC4-21300 bandwidth
  • ECC registered RDIMM for data integrity in servers
  • CL19 latency at 1.2 V operating voltage
  • 288-pin 2Rx4 design validated for ASRock EPYC motherboards

128GB DDR4 2666 ECC RDIMM Kit

This 128GB kit contains two 64GB DDR4 2666 registered DIMMs built for ASRock Rack ROMED8-2T motherboards with AMD EPYC processors. Each module runs at 1.2V with CL19 latency and 2Rx4 organisation. ECC and registered buffering provide the error correction and signal integrity required by server platforms. The kit delivers 128GB total capacity across two 288-pin slots.

Suited for ASRock EPYC server upgrades

This memory fits builders expanding an ASRock Rack ROMED8-2T system that accepts DDR4 2666 RDIMMs. It is not for desktop boards that require unbuffered non-ECC DIMMs. It is not for systems limited to lower capacities per slot or to speeds other than 2666 MT/s. Buyers needing different voltages, form factors or laptop SODIMMs should look elsewhere.

Two 64GB modules give 128GB total

The paired 64GB RDIMMs provide 128GB of registered ECC capacity for multi-threaded workloads and virtualisation. Headroom scales with the number of populated slots on the ROMED8-2T; filling additional channels adds bandwidth and capacity. The kit runs out when the board's maximum supported memory or slot count is reached.

Points forts

  • 128 GB total capacity from two 64 GB modules
  • DDR4 2666 speed rated at PC4-21300 bandwidth
  • ECC registered RDIMM for data integrity in servers
  • CL19 latency at 1.2 V operating voltage
  • 288-pin 2Rx4 design validated for ASRock EPYC motherboards

Caractéristiques

BrandNEMIX RAM
SeriesASRock Server Motherboard Compatible Series Memory
ModelASRock DDR4 2666MHZ ECC RDIMM Registered Server Memory
Part NumberMR21300-924K2
Capacity128GB (2 x 64GB)
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 Content128GB (2X64GB) DDR4 2666MHZ PC4-21300 2Rx4 1.2V CL19 288-PIN ECC RDIMM Registered Server Memory KIT

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Questions sur cet article

Do I need an ASRock Rack ROMED8-2T motherboard with AMD EPYC processor support for this 2x64GB DDR4 2666 ECC RDIMM kit?

Yes, the kit is validated for the ASRock Rack ROMED8-2T motherboard running AMD EPYC processors and requires a platform that accepts 288-pin DDR4 registered DIMMs at 1.2V.

Can I keep my existing DDR4 2666 ECC RDIMM modules and add this 128GB kit without changing voltage or speed settings?

The modules run at 1.2V with CL19 timing at 2666 MT/s; matching voltage, speed, rank (2Rx4) and registered ECC type lets them operate together when the motherboard trains all slots at the same JEDEC profile.

How can I confirm the 128GB kit is detected and running with ECC active after installation?

Enter the system BIOS or UEFI and verify that total memory shows 128GB across two 64GB DIMMs, speed reads 2666 MT/s, and ECC status is reported as enabled or active.

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