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Eight green DDR5 RDIMM modules without heat spreaders

NEMIX RAM

NEMIX RAM 256GB 8x32GB DDR5 6400 CL52 1.1V ECC RDIMM Kit

SKU CH-FYA3-W57QQ

256 GB kit of eight 32 GB DDR5-6400 ECC registered RDIMMs at 1.1 V CL52, validated for ASRock Rack GNR2D16-2T motherboards

  • Capacity256GB (8 x 32GB)
  • Type288-Pin DDR5 RDIMM
  • SpeedDDR5 6400 (PC5 51200)
  • CAS LatencyCL52
  • Voltage1.10V
  • ECCYes

Size 256GB 8X32GB

Show 4 more configurations
  • 256 GB total capacity from eight 32 GB modules
  • DDR5 6400 speed with CL52 latency at 1.1 V
  • Registered ECC design corrects single-bit errors on the fly
  • 288-pin RDIMM form factor matches ASRock Rack GNR2D16-2T requirements
  • Built with Samsung, Micron or Hynix chips for enterprise stability

Exact-match server kit

This 256 GB kit contains eight 32 GB DDR5 6400 RDIMMs rated at CL52 and 1.10 V. Each module is a 1Rx4 registered ECC part built with major OEM DRAM and uses the 288-pin form factor required by the target platform.

Verify motherboard rules

The ASRock Rack GNR2D16-2T motherboard dictates supported capacities, DIMM population order and installation steps. Consult the system or motherboard manual before ordering to confirm that eight registered DIMMs can be installed and will run at the rated 6400 MT/s speed.

Replaces mixed or smaller RDIMMs

Swapping out a partial population or lower-capacity registered ECC modules for this matched eight-module kit lets the memory controller run every slot at full rated speed with ECC protection. The jump is worth it when the workload needs the full 256 GB at DDR5 6400 without downclocking.

Highlights

  • 256 GB total capacity from eight 32 GB modules
  • DDR5 6400 speed with CL52 latency at 1.1 V
  • Registered ECC design corrects single-bit errors on the fly
  • 288-pin RDIMM form factor matches ASRock Rack GNR2D16-2T requirements
  • Built with Samsung, Micron or Hynix chips for enterprise stability

Specifications

BrandNEMIX RAM
SeriesNEMIX RAM Original Series Server Memory
ModelDDR5 ECC RDIMM Registered Server Memory
Part NumberMR51200-314K8
Capacity256GB (8 x 32GB)
Type288-Pin DDR5 RDIMM
SpeedDDR5 6400 (PC5 51200)
CAS LatencyCL52
Voltage1.10V
ECCYes
Buffered/RegisteredRegistered
Rank1Rx4
ChipsetMajor OEM Samsung, Micron, Hynix
Heat SpreaderNo
Compatible SystemASRock Rack
FeaturesDDR5 ECC RDIMM Motherboard Compatible
Package Content256GB 8X32GB DDR5 6400MHz PC5-51200 1Rx4 1.1V 288-PIN ECC RDIMM KIT

Other versions of this model

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Questions about this item

Does the kit include all eight 32GB modules, or do I need to buy extra sticks to reach 256GB?

The package contains the full 256GB kit as eight matched 32GB DDR5 RDIMMs, so no additional modules are required for that capacity.

The listing shows a single 256GB 8x32GB kit — are there alternative capacities or speeds I should consider?

This specific part number MR51200-314K8 is offered only as an 8-module 256GB kit at DDR5 6400 CL52 1.1V; other capacities or speeds would carry different part numbers.

What does the DDR5 6400 CL52 rating mean once the kit is installed in the ASRock Rack GNR2D16-2T motherboard?

The modules will run at the rated 6400MT/s with CL52 timings at 1.1V, delivering the exact speed and latency the motherboard's memory controller expects for full-capacity operation.

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