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Green printed circuit board with black memory chips and gold edge connectors on a 288-pin DDR5 RDIMM module

NEMIX RAM

NEMIX RAM 64GB DDR5 6400 ECC RDIMM 2Rx4 CL52 1.1V memory upgrade

SKU CH-P7TX-QYMHX

64GB DDR5 6400 ECC registered DIMM with CL52 timing and 1.1V operation for ASRock Rack GNRD16DNO and GNRD16QM3-NL motherboards

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

Size 64GB

Show 4 more configurations
  • 64 GB DDR5 6400 speed rated at PC5-51200 for full server bandwidth
  • CL52 latency with 1.1 V operation keeps power draw low per module
  • Registered 2Rx4 architecture offloads the memory controller for stable fully populated slots
  • On-die ECC detects and corrects single-bit errors to prevent silent data corruption
  • 288-pin RDIMM form factor matches ASRock Rack GNRD16DNO and GNRD16QM3-NL requirements

Exact-match server upgrade

This 64GB DDR5 6400 RDIMM is built for administrators expanding ASRock Rack GNRD16DNO or GNRD16QM3-NL platforms. Registered ECC architecture and CL52 timing at 1.10V match the board's memory controller requirements so every slot is recognised at full rated speed. It is not suited for workstations or desktops that accept only unbuffered UDIMM modules.

Capacity and headroom

A single 64GB 2Rx4 module delivers high-density capacity for virtualisation hosts, database nodes or compute clusters running memory-bound workloads. Registered buffering offloads the controller, allowing full population without signal degradation, while on-die ECC corrects single-bit errors before they reach the OS. Systems limited to lower maximum DIMM densities or slower DDR5 speeds cannot use this module at its rated specification.

Build integration

The 288-pin RDIMM form factor fits only server boards wired for registered memory; it will not seat in UDIMM or SODIMM slots. No heat spreader is fitted, so airflow across the DIMM row must be sufficient for sustained 1.10V operation. Buyers must verify the motherboard manual for approved population order and maximum supported capacity per channel before installation.

Highlights

  • 64 GB DDR5 6400 speed rated at PC5-51200 for full server bandwidth
  • CL52 latency with 1.1 V operation keeps power draw low per module
  • Registered 2Rx4 architecture offloads the memory controller for stable fully populated slots
  • On-die ECC detects and corrects single-bit errors to prevent silent data corruption
  • 288-pin RDIMM form factor matches ASRock Rack GNRD16DNO and GNRD16QM3-NL requirements

Specifications

BrandNEMIX RAM
SeriesNEMIX RAM Original Series Server Memory
ModelDDR5 ECC RDIMM Registered Server Memory
Part NumberMR51200-924K1
Capacity64GB
Type288-Pin DDR5 RDIMM
SpeedDDR5 6400 (PC5 51200)
CAS LatencyCL52
Voltage1.10V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
ChipsetMajor OEM Samsung, Micron, Hynix
Heat SpreaderNo
Compatible SystemASRock Rack
FeaturesDDR5 ECC RDIMM Motherboard Compatible
Package Content64GB DDR5 6400MHz PC5-51200 2Rx4 1.1V 288-PIN ECC RDIMM KIT

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Questions about this item

Will the 2Rx4 rank and 1.10V voltage let this 64GB DDR5 6400 module run at full speed in all slots of my ASRock Rack GNRD16DNO?

Yes, the 2Rx4 registered ECC design matches the motherboard's memory-population rules so every populated slot operates at the rated DDR5 6400 speed with CL52 timing.

How can I confirm the module is operating at DDR5 6400 with ECC active after installation?

Check the BIOS memory information screen or run a tool such as dmidecode to verify the speed reads 6400 MT/s, the voltage shows 1.10V, and ECC status is reported as enabled.

Does the package contain only the 64GB RDIMM or are any extra parts such as a heat spreader included?

The box includes the single 64GB 288-pin DDR5 RDIMM; no heat spreader or additional accessories are supplied.

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