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Green bare circuit board DDR5 RDIMM module with black memory chips and gold edge connectors

NEMIX RAM

NEMIX RAM 64GB DDR5 4800 2Rx4 CL40 288-Pin ECC RDIMM HPE P43331-K21 memory upgrade

SKU CH-3Q9S-7DH7A

64 GB DDR5 4800 ECC registered RDIMM for HPE servers, CL40 2Rx4 at 1.1 V

  • Capacity64GB
  • SpeedDDR5 4800 (PC5 38400)
  • ECCYes
  • Buffered/RegisteredRegistered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.10V
  • 64 GB capacity for large server workloads
  • DDR5 4800 speed for high bandwidth
  • ECC registered design protects data integrity
  • 1 V operation reduces power draw
  • 2Rx4 288-pin RDIMM fits HPE P43331-K21 systems

HPE Server Memory Upgrade

This 64GB DDR5 module is built for HPE servers and workstations that require registered ECC memory. It delivers 4800 MT/s speed with CL40 latency in a single 288-pin RDIMM. The 2Rx4 organisation suits high-density configurations.

Thermals and Power Profile

Operating at 1.1V, the module runs without a heat spreader and relies on chassis airflow. Registered buffering reduces electrical load on the memory controller during sustained workloads. ECC circuitry adds minimal overhead while correcting single-bit errors.

Capacity and Rank Constraint

The 64GB 2Rx4 density fits one slot but demands a platform qualified for this rank structure. Systems limited to 1Rx4 or 2Rx8 modules will not accept it. Verify the motherboard memory guide before purchase.

Points forts

  • 64 GB capacity for large server workloads
  • DDR5 4800 speed for high bandwidth
  • ECC registered design protects data integrity
  • 1 V operation reduces power draw
  • 2Rx4 288-pin RDIMM fits HPE P43331-K21 systems

Caractéristiques

BrandNEMIX RAM
SeriesHPE Server/Workstation Compatible Series Memory
ModelHPE DDR5 4800MHZ ECC RDIMM Registered Server Memory
Part NumberMR38400-924K1
Capacity64GB
SpeedDDR5 4800 (PC5 38400)
ECCYes
Buffered/RegisteredRegistered
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.10V
Compatible SystemHPE
CAS LatencyCL40
Heat SpreaderNo
Type288-Pin DDR5 RDIMM
Rank2Rx4
FeaturesDDR5 ECC Registered RDIMM Server Motherboard Compatible
Package Content64GB (1X64GB) DDR5 4800MHZ PC5-38400 2Rx4 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory

Questions sur cet article

How do I install this 288-pin DDR5 RDIMM in an HPE server, and what step is often missed?

Power down the server, open the chassis, align the notch on the 288-pin module with the slot key, press firmly until both ejector clips click shut, then verify in BIOS that the 64GB module registers at 4800MT/s with ECC active; the step often missed is seating the module fully so both clips engage.

What maintenance or replacement will this 1.10V registered ECC module need over its service life?

No scheduled maintenance is required; the module has no heat spreader and runs at 1.10V, so keep server airflow clean and monitor corrected ECC counts in the management console — if uncorrectable errors appear, replace the DIMM.

What limit appears first when this CL40 2Rx4 module runs sustained workloads?

The CAS latency of CL40 at 4800MT/s sets the timing floor; under sustained load the memory controller will hit latency-bound throughput before thermal or voltage limits become a factor.

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