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Eight green DDR4 RDIMM modules without heat spreaders in a kit box

NEMIX RAM

NEMIX RAM 256GB (8x32GB) DDR4 3200 CL22 2Rx4 ECC RDIMM Kit ASRock Rack EPYCD8-2T memory upgrade

SKU CH-V2MT-H4X54

256 GB DDR4 ECC registered server kit with eight 32 GB modules at 3200 MHz CL22 for ASRock Rack EPYCD8-2T

  • Capacity256GB (8 x 32GB)
  • SpeedDDR4 3200 (PC4 25600)
  • ECCYes
  • Buffered/RegisteredRegistered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.20V

Capacity 256GB 8X32GB

  • 256 GB total capacity from eight 32 GB modules
  • DDR4 3200 speed with CL22 latency for responsive server workloads
  • ECC registered RDIMM design protects data integrity in critical applications
  • 2 V operation reduces power draw across the memory subsystem
  • 288-pin 2Rx4 layout matches ASRock Rack EPYCD8-2T motherboard slots

256GB DDR4 ECC RDIMM kit for ASRock EPYCD8-2T

This 256GB kit contains eight 32GB DDR4 3200 registered DIMMs built for the ASRock Rack EPYCD8-2T motherboard. Each module runs at 1.2V with CL22 latency and 2Rx4 organisation. ECC and registered buffering protect data integrity in continuous server workloads.

DDR4 3200 registered limits

The DDR4 3200 interface caps transfer rate at PC4-25600 and requires a memory controller that supports registered ECC modules. Registered DIMMs add one clock cycle of latency and cannot be mixed with unbuffered memory on the same channel. The motherboard must provide 288-pin DDR4 slots wired for registered operation.

Installing eight RDIMMs

Populate all eight slots following the EPYCD8-2T population guide to keep channel balance. Seat each 288-pin module until the ejector clips lock; registered DIMMs need firm, even pressure. A common mistake is mixing these sticks with unbuffered or non-ECC memory, which prevents boot. Verify the BIOS recognises the full 256GB before deploying.

Highlights

  • 256 GB total capacity from eight 32 GB modules
  • DDR4 3200 speed with CL22 latency for responsive server workloads
  • ECC registered RDIMM design protects data integrity in critical applications
  • 2 V operation reduces power draw across the memory subsystem
  • 288-pin 2Rx4 layout matches ASRock Rack EPYCD8-2T motherboard slots

Specifications

BrandNEMIX RAM
SeriesASRock Server Motherboard Compatible Series Memory
ModelASRock DDR4 3200MHZ ECC RDIMM Registered Server Memory
Part NumberMR25600-324K8
Capacity256GB (8 x 32GB)
SpeedDDR4 3200 (PC4 25600)
ECCYes
Buffered/RegisteredRegistered
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.20V
Compatible SystemASRock
CAS LatencyCL22
Heat SpreaderNo
Type288-Pin DDR4 RDIMM
Rank2Rx4
FeaturesDDR4 ECC Registered RDIMM Server Motherboard Compatible
Package Content256GB (8X32GB) DDR4 3200MHZ PC4-25600 2Rx4 1.2V CL22 288-PIN ECC RDIMM Registered Server Memory KIT

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Questions about this item

Should I pick the 256GB kit or a smaller capacity for my ASRock Rack EPYCD8-2T?

The 256GB kit provides eight 32GB modules, filling all channels for maximum bandwidth on the EPYCD8-2T. Choose a smaller kit only if you need fewer DIMMs for future expansion or budget reasons.

What does the 3200MHz rating deliver once installed in the EPYCD8-2T?

At 3200MHz with CL22 timing, the kit runs at PC4-25600 bandwidth. The registered ECC design ensures data integrity under sustained server workloads on the EPYCD8-2T platform.

How does the DDR4 RDIMM interface limit performance on this board?

The 288-pin DDR4 RDIMM interface caps transfer rates at 3200MT/s. The 2Rx4 organisation and registered buffer add one cycle of latency but allow the EPYCD8-2T memory controller to address all 256GB reliably.

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