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Green DDR5 RDIMM circuit board with gold contacts and black memory chips

NEMIX RAM

NEMIX RAM 64GB DDR5 4800 CL40 2Rx4 1.1V ECC RDIMM SuperMicro SYS-221HE memory upgrade

SKU CH-64S5-FW3CY

64GB DDR5 4800 CL40 2Rx4 1.1V ECC RDIMM for SuperMicro SYS-221HE servers

  • Capacity64GB
  • SpeedDDR5 4800 (PC5 38400)
  • ECCYes
  • Buffered/RegisteredRegistered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.10V
  • 64 GB capacity expands server memory headroom
  • DDR5 4800 speed delivers high bandwidth for demanding workloads
  • ECC registered design corrects errors to protect data integrity
  • 1 V operation reduces power draw in dense configurations
  • Validated for SuperMicro SYS-221HE systems ensures drop-in compatibility

System-specific DDR5 ECC RDIMM

This 64GB DDR5 4800 CL40 module is built for the SuperMicro SYS-221HE SuperServer series. It uses a registered 2Rx4 layout at 1.1V with on-die ECC for data integrity in continuous server workloads. The 288-pin form factor matches the platform's memory slots exactly.

Suited for capacity upgrades in validated

Administrators expanding memory in SYS-221HE-FTNR, SYS-221HE-FTNRD or SYS-221HE-TNR chassis can install this single stick without mixing ranks. Builders targeting consumer desktops, unregistered DIMM platforms or systems that require heat spreaders should select different memory.

Registered 2Rx4 organisation at 4800 MT/s

The dual-rank by four architecture delivers 64GB per slot while the registered buffer reduces electrical load on the memory controller. This combination of rank structure, speed and ECC registration determines whether the module posts correctly in the qualified SuperMicro platform.

Punti di forza

  • 64 GB capacity expands server memory headroom
  • DDR5 4800 speed delivers high bandwidth for demanding workloads
  • ECC registered design corrects errors to protect data integrity
  • 1 V operation reduces power draw in dense configurations
  • Validated for SuperMicro SYS-221HE systems ensures drop-in compatibility

Caratteristiche tecniche

BrandNEMIX RAM
SeriesSuperMicro Server/Workstation Compatible Series Memory
ModelSuperMicro 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 SystemSupermicro
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

Domande su questo articolo

Will the 288-pin DDR5 RDIMM fit the memory slots in my SuperMicro SYS-221HE server?

Yes, this module uses the standard 288-pin DDR5 RDIMM form factor designed for the SuperMicro SYS-221HE-FTNR, SYS-221HE-FTNRD and SYS-221HE-TNR systems.

Do I need to configure anything in the BIOS after inserting the registered ECC module, or is it plug-and-play?

The module runs at 1.1V with CL40 timing at 4800 MT/s; most SuperMicro platforms detect these settings automatically, but you should still verify the memory training completes on first boot.

Since there is no heat spreader, will the Samsung, Micron or Hynix chips need active airflow to stay within safe temperatures?

Registered DDR5 DIMMs are rated for 1.10V operation without a spreader; ensure your server chassis provides the normal front-to-back airflow across the DIMM slots.

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