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Two green DDR5 RDIMM modules with black chips, no heat spreaders

NEMIX RAM

NEMIX RAM DDR5 6400 64GB (2x32GB) CL52 1.1V ECC Registered RDIMM memory upgrade

SKU CH-HAKX-Y0P8K

64 GB dual-channel DDR5-6400 kit with CL52, 1.1 V, ECC and registered buffering for ASRock Rack GENOA2D16NQM3-2Q

  • Capacity64GB (2 x 32GB)
  • Type288-Pin DDR5 RDIMM
  • SpeedDDR5 6400 (PC5 51200)
  • CAS LatencyCL52
  • Voltage1.10V
  • ECCYes

Size 64GB 2X32GB

Show 4 more configurations
  • Exact-match DDR5-6400 kit runs at rated speed on your ASRock Rack board
  • Registered ECC design corrects single-bit errors to prevent silent data corruption
  • 1Rx4 1.10 V modules let every slot populate fully without controller strain
  • 288-pin RDIMM form factor fits the GENOA2D16NQM3-2Q motherboard precisely
  • Lifetime replacement warranty plus free US-based technical support included

Purpose-built server memory

This 64GB kit delivers two 32GB DDR5 RDIMM modules rated at 6400MHz with CL52 latency and 1.1V operation. Registered ECC architecture ensures data integrity for the ASRock Rack GENOA2D16NQM3-2Q motherboard. The exact rank and timing match lets the memory controller recognise full capacity at rated speed.

Upgrade from unbuffered or slower DDR5

Replaces non-ECC UDIMMs or lower-speed registered kits that cannot meet the board’s population rules or error-correction needs. The jump is worth it when workloads demand full-slot population at 6400MHz without signal degradation. Systems requiring only consumer UDIMM form factors or speeds below PC5-51200 will not benefit.

Sustained load behaviour

Registered buffering offloads the memory controller so every slot stays stable at full capacity during continuous operation. ECC corrects single-bit errors on the fly, preventing silent corruption during long compute runs. Modules without heat spreaders rely on chassis airflow; verify your server’s cooling path matches sustained throughput requirements.

Highlights

  • Exact-match DDR5-6400 kit runs at rated speed on your ASRock Rack board
  • Registered ECC design corrects single-bit errors to prevent silent data corruption
  • 1Rx4 1.10 V modules let every slot populate fully without controller strain
  • 288-pin RDIMM form factor fits the GENOA2D16NQM3-2Q motherboard precisely
  • Lifetime replacement warranty plus free US-based technical support included

Specifications

BrandNEMIX RAM
SeriesNEMIX RAM Original Series Server Memory
ModelDDR5 ECC RDIMM Registered Server Memory
Part NumberMR51200-314K2
Capacity64GB (2 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 Content64GB 2X32GB 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

Will the 288-pin DDR5 RDIMM modules fit the memory slots on my ASRock Rack GENOA2D16NQM3-2Q motherboard?

Yes, the kit uses the exact 288-pin Registered DIMM form factor that the GENOA2D16NQM3-2Q requires, so each module seats directly into the board's DDR5 RDIMM slots without adapters.

What is the correct installation order for the two 32 GB sticks on this board?

Consult the motherboard manual for the approved DIMM population sequence; the board's memory-controller rules dictate which slots must be filled first for the 64 GB kit to be recognised at full speed.

Does the registered ECC design reduce long-term maintenance compared with unbuffered memory?

Registered buffering offloads the memory controller and on-die ECC corrects single-bit errors automatically, lowering the chance of silent data corruption that would otherwise require troubleshooting or module replacement.

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