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Two green DDR5 RDIMM sticks in anti-static tray

NEMIX RAM

NEMIX RAM DDR5 64GB 2x32GB 6400MHz CL52 1.1V 1Rx4 ECC Registered RDIMM memory upgrade

SKU CH-5AVM-PDN6P

A 64GB kit of two 32GB DDR5-6400 registered ECC RDIMMs built for the ASRock Rack GNR2D16-2T motherboard

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

Size 64GB 2X32GB

Show 4 more configurations
  • 64 GB dual-channel capacity from two 32 GB modules
  • DDR5-6400 speed with CL52 latency for rated throughput
  • Registered ECC design corrects single-bit errors on the fly
  • 10 V operation at 1Rx4 rank matches controller expectations
  • 288-pin RDIMM form factor verified for ASRock Rack GNR2D16-2T

Exact-fit server upgrade

This 64 GB kit delivers two 32 GB DDR5 6400 MHz modules built to the precise 1Rx4 Registered ECC specification your ASRock Rack GNR2D16-2T motherboard expects. Each DIMM operates at 1.1 V with CL52 timing so the memory controller recognises full capacity and rated speed without manual tuning.

Registered ECC stability

The 288-pin RDIMM form factor uses a registered architecture that buffers address and command signals, allowing every slot to stay fully populated at full frequency. On-die ECC detects and corrects single-bit errors in flight, preventing silent data corruption and unplanned reboots in production workloads.

Replaces mismatched or slower memory

When existing modules run at a lower data rate, use mixed ranks, or lack error correction, this kit restores the platform's validated configuration. The jump is worth it whenever capacity must scale to 64 GB per channel while maintaining registered ECC integrity at DDR5 6400 speeds.

Highlights

  • 64 GB dual-channel capacity from two 32 GB modules
  • DDR5-6400 speed with CL52 latency for rated throughput
  • Registered ECC design corrects single-bit errors on the fly
  • 10 V operation at 1Rx4 rank matches controller expectations
  • 288-pin RDIMM form factor verified for ASRock Rack GNR2D16-2T

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

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Questions about this item

What speed does the DDR5 6400 interface actually run at on the ASRock Rack GNR2D16-2T?

The kit operates at DDR5 6400 (PC5-51200) with CL52 latency at 1.1 V, matching the motherboard's rated memory speed.

Will these 288-pin RDIMMs fit the ASRock Rack GNR2D16-2T motherboard slots?

Yes, the 288-pin Registered RDIMM form factor is exactly what the GNR2D16-2T requires; UDIMMs or SODIMMs will not fit.

Which DIMM slots should I populate first when installing this 2x32 GB kit?

Follow the motherboard manual's population order; the kit's 1Rx4 registered design allows full-capacity operation when slots are filled per the board's rules.

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