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Green printed circuit board with black memory chips and gold edge connectors

NEMIX RAM

NEMIX RAM MR51200-924K1 64GB DDR5 6400 CL52 2Rx4 ECC Registered RDIMM memory upgrade

SKU CH-5Y14-JYW51

64 GB DDR5 6400 CL52 2Rx4 ECC registered RDIMM at 1.1 V, 288-pin, built for the ASRock Rack GNRAPD12DNO motherboard

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

Size 64GB

Show 4 more configurations
  • 64 GB DDR5 capacity for high-density server workloads
  • DDR5-6400 CL52 rated speed for responsive data throughput
  • Registered ECC design corrects single-bit errors on the fly
  • 1 V operation matches platform voltage requirements
  • 288-pin RDIMM form factor fits ASRock Rack GNRAPD12DNO motherboard

Exact-Match Server Upgrade

This 64GB DDR5-6400 RDIMM is built for administrators who need a drop-in module that the memory controller recognises immediately. It targets production servers where downtime is unacceptable and the exact rank, voltage and timing must match the platform specification.

Registered ECC with 2Rx4 Organisation

The single specification that decides fitment is the 2Rx4 registered ECC layout at 1.1V CL52. Only modules with this rank structure and error-correction mode will populate every slot at the rated 6400 MT/s speed on the validated motherboard.

288-Pin RDIMM for ASRock Rack GNRAPD12DNO

The module plugs into standard 288-pin DDR5 RDIMM slots on the ASRock Rack GNRAPD12DNO board, freeing the builder from checking rank limits or voltage tolerances. It is not for systems that require unbuffered UDIMMs, SODIMMs or non-ECC memory.

Highlights

  • 64 GB DDR5 capacity for high-density server workloads
  • DDR5-6400 CL52 rated speed for responsive data throughput
  • Registered ECC design corrects single-bit errors on the fly
  • 1 V operation matches platform voltage requirements
  • 288-pin RDIMM form factor fits ASRock Rack GNRAPD12DNO motherboard

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

What does the 6400 speed rating mean once this module is installed in the ASRock Rack GNRAPD12DNO?

The module runs at DDR5 6400 (PC5-51200) with CL52 latency at 1.10V, so the memory controller recognises the full 64GB capacity at its rated speed without downclocking.

How does the registered ECC interface affect usable bandwidth on this platform?

Registered buffering offloads the memory controller, allowing every populated 288-pin slot to operate at the rated DDR5 6400 speed while ECC corrects single-bit errors in real time.

What physical slot and clearance does this 288-pin RDIMM require?

It fits a standard 288-pin DDR5 RDIMM socket; the module has no heat spreader, so it clears typical server heatsinks and populated adjacent slots.

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