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Green circuit board with black memory chips and gold edge connectors

NEMIX RAM

NEMIX RAM 64GB DDR5 6400 PC5-51200 CL52 2Rx4 1.1V 288-pin ECC RDIMM for ASRock Rack GNR2D16-2T memory upgrade

SKU CH-J5BR-5AWQ2

64GB DDR5 6400 registered ECC RDIMM validated for ASRock Rack GNR2D16-2T motherboards

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

Size 64GB

Voir les 4 autres configurations
  • 64 GB DDR5-6400 capacity matches the ASRock Rack GNR2D16-2T spec for full-speed operation
  • CL52 latency at 1.10 V delivers rated throughput within the board's timing window
  • 2Rx4 registered ECC architecture enables full-slot population while correcting single-bit errors on the fly
  • 288-pin RDIMM form factor fits the motherboard's DDR5 slots exactly — no UDIMM or SODIMM mismatch
  • Built with Samsung, Micron or Hynix chips and covered by lifetime replacement support

64 GB DDR5-6400 ECC RDIMM for ASRock Rack

This 64 GB DDR5-6400 registered ECC RDIMM is built for the ASRock Rack GNR2D16-2T motherboard. It runs at 1.1 V with CL52 latency and a 2Rx4 organisation. The 288-pin module uses major-brand DRAM chips and has no heat spreader. It is an exact-match upgrade for that server platform.

Who this suits and who should look elsewhere

This module suits administrators expanding an ASRock Rack GNR2D16-2T system with validated registered ECC memory. It is not for desktop boards that require unbuffered UDIMMs, nor for laptops needing SODIMMs, and it will not work in systems limited to lower DDR5 speeds or different voltages.

The spec that decides fit

The motherboard must accept a 288-pin DDR5 RDIMM rated at 6400 MT/s, 1.1 V, CL52, 2Rx4 registered ECC. If the manual specifies a different rank, voltage, speed or form factor, this module will not be recognised or will run at reduced settings.

Points forts

  • 64 GB DDR5-6400 capacity matches the ASRock Rack GNR2D16-2T spec for full-speed operation
  • CL52 latency at 1.10 V delivers rated throughput within the board's timing window
  • 2Rx4 registered ECC architecture enables full-slot population while correcting single-bit errors on the fly
  • 288-pin RDIMM form factor fits the motherboard's DDR5 slots exactly — no UDIMM or SODIMM mismatch
  • Built with Samsung, Micron or Hynix chips and covered by lifetime replacement support

Caractéristiques

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 sur cet article

Will the 64GB DDR5 RDIMM need a firmware update or a heat spreader added later?

The module ships without a heat spreader and runs at the standard 1.1V; no firmware updates are required for the memory itself, and the bare DRAM design is the intended configuration for this 288-pin ECC RDIMM.

What limit appears first when the 2Rx4 registered DIMM runs continuously at 6400 MT/s?

Sustained operation at CL52 and 1.10V is constrained by the DDR5 JEDEC thermal envelope; the registered buffer and on-die ECC keep signal integrity within spec, so the thermal ceiling is reached before any electrical timing margin is exhausted.

How much extra power and noise does the 64GB kit add when the server runs all day?

At 1.1V the module draws only its rated DDR5 power budget with no active cooling of its own, so it adds negligible acoustic noise and the heat load stays within the server's existing airflow design.

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