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

NEMIX RAM

NEMIX RAM 64GB DDR5 4800 2Rx4 CL40 1.1V ECC RDIMM memory upgrade for ASRock Rack GENOAD12M3-2Q

SKU CH-ZPXN-D2FMR

64GB DDR5 4800MHz ECC registered RDIMM built for the ASRock Rack GENOAD12M3-2Q motherboard

  • Capacity64GB
  • Type288-Pin DDR5 RDIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.10V
  • ECCYes

Size 64GB

Show 4 more configurations
  • 64 GB DDR5 4800 RDIMM delivers full rated capacity and speed on the ASRock Rack GENOAD12M3-2Q
  • Registered 2Rx4 architecture with ECC offloads the controller and corrects single-bit errors for enterprise stability
  • CL40 latency at 1.10 V matches the board's exact timing and voltage requirements
  • 288-pin RDIMM form factor ensures mechanical and electrical fit without adapters or down-clocking
  • Built with major OEM Samsung, Micron or Hynix chips for consistent server-grade reliability

Exact-fit DDR5 RDIMM for ASRock Rack GENOAD12M3-2Q

This 64 GB DDR5-4800 registered ECC module matches the motherboard's required 2Rx4 rank, 1.10 V voltage and CL40 timing. The 288-pin RDIMM form factor ensures correct seating and full-speed recognition without manual configuration. It is built for servers that demand registered memory architecture and error correction.

Thermals power and acoustics

Operating at the standard DDR5 1.10 V, the module draws minimal power and generates low heat without a heat spreader. Passive cooling relies on chassis airflow, so fan noise remains unchanged in typical server environments. Registered buffering reduces electrical load on the memory controller, contributing to stable thermals across fully populated slots.

Upgrade path and when it matters

This module replaces non-ECC UDIMMs or slower DDR5 RDIMMs that cannot run at the rated 4800 MT/s on this platform. The jump is worth it when expanding capacity beyond what unbuffered memory supports or when ECC protection is required for data integrity. Builders needing consumer DIMM form factors or higher frequencies not validated by the board should look elsewhere.

Highlights

  • 64 GB DDR5 4800 RDIMM delivers full rated capacity and speed on the ASRock Rack GENOAD12M3-2Q
  • Registered 2Rx4 architecture with ECC offloads the controller and corrects single-bit errors for enterprise stability
  • CL40 latency at 1.10 V matches the board's exact timing and voltage requirements
  • 288-pin RDIMM form factor ensures mechanical and electrical fit without adapters or down-clocking
  • Built with major OEM Samsung, Micron or Hynix chips for consistent server-grade reliability

Specifications

BrandNEMIX RAM
SeriesNEMIX RAM Original Series Server Memory
ModelDDR5 ECC RDIMM Registered Server Memory
Part NumberMR38400-924K1
Capacity64GB
Type288-Pin DDR5 RDIMM
SpeedDDR5 4800 (PC5 38400)
CAS LatencyCL40
Voltage1.10V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
ChipsetMajor OEM Samsung, Micron, Hynix
Heat SpreaderNo
Compatible SystemASRock Rack
FeaturesDDR5 ECC RDIMM Motherboard Compatible
Package Content64GB DDR5 4800MHz PC5-38400 2Rx4 1.1V 288-PIN ECC RDIMM KIT

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Questions about this item

How do I install the 288-pin DDR5 RDIMM in my ASRock Rack GENOAD12M3-2Q, and what step is often missed?

Power down, open the chassis, align the 288-pin DDR5 RDIMM notch with the slot key, press firmly until both latches click, then consult the motherboard manual for the approved DIMM population order — skipping that order is the common mistake.

What maintenance or replacement will the 64GB DDR5 4800 2Rx4 CL40 1.1V ECC RDIMM need over time?

No routine maintenance is required; the module has no heat spreader and no moving parts. Replacement is only necessary if ECC logs report uncorrectable errors or a DIMM fails POST, at which point the lifetime replacement warranty applies.

What limit appears first when the 2Rx4 registered ECC RDIMM runs sustained workloads at 4800 MT/s?

The registered buffer and ECC logic keep the memory controller stable at full 4800 MT/s throughput, so the first practical limit is the motherboard's maximum supported capacity per slot or total system capacity, not the module's rated speed.

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