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Eight green DDR5 RDIMM modules in static bag

NEMIX RAM

NEMIX RAM 256GB (8x32GB) DDR5 4800 CL40 ECC RDIMM SuperMicro SYS-221HE memory upgrade

SKU CH-0AJ8-RT5RZ

Eight registered DDR5 modules deliver 256 GB of ECC server memory at 4800 MT/s for SuperMicro SYS-221HE systems

  • Capacity256GB (8 x 32GB)
  • SpeedDDR5 4800 (PC5 38400)
  • ECCYes
  • Buffered/RegisteredRegistered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.10V
  • 256 GB total capacity for large-scale workloads
  • 8 × 32 GB modules fill every slot
  • DDR5 4800 speed for high-throughput data paths
  • ECC registered design protects data integrity
  • 1 V operation reduces server power draw

System-specific DDR5 server kit

This NEMIX RAM kit supplies 256GB of DDR5 4800 memory in eight 32GB registered DIMMs. It is built for the SuperMicro IOT SuperServer SYS-221HE family and runs at 1.1V with CL40 latency. Each module uses a 1Rx4 organisation and major-brand Samsung, Micron or Hynix chips. The kit targets administrators who need maximum capacity in a validated configuration.

For validated SuperMicro upgrades only

This memory suits IT teams upgrading the listed SYS-221HE platforms where ECC registered DIMMs are required. Buyers who need unbuffered modules, non-ECC operation, or a different pin count should look elsewhere. The kit will not fit consumer motherboards or systems that demand a different voltage or form factor.

ECC registered RDIMM decides fit

The single specification that determines compatibility is the 288-pin DDR5 ECC registered RDIMM format with 1Rx4 rank. Only platforms explicitly qualified for this module type and speed will recognise the full 256GB capacity. Verify the server documentation before ordering.

Points forts

  • 256 GB total capacity for large-scale workloads
  • 8 × 32 GB modules fill every slot
  • DDR5 4800 speed for high-throughput data paths
  • ECC registered design protects data integrity
  • 1 V operation reduces server power draw

Caractéristiques

BrandNEMIX RAM
SeriesSuperMicro Server/Workstation Compatible Series Memory
ModelSuperMicro DDR5 4800MHZ ECC RDIMM Registered Server Memory
Part NumberMR38400-314K8
Capacity256GB (8 x 32GB)
SpeedDDR5 4800 (PC5 38400)
ECCYes
Buffered/RegisteredRegistered
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.10V
Compatible SystemSupermicro
CAS LatencyCL40
Heat SpreaderNo
Type288-Pin DDR5 RDIMM
Rank1Rx4
FeaturesDDR5 ECC Registered RDIMM Server Motherboard Compatible
Package Content256GB (8X32GB) DDR5 4800MHZ PC5-38400 1Rx4 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory KIT

Questions sur cet article

What DDR5 speed does the PC5-38400 rating cap this kit at?

The PC5-38400 rating means the kit runs at DDR5 4800 MT/s, which is the maximum data rate supported by the modules.

Will the 288-pin RDIMM modules fit the SuperMicro SYS-221HE server slots?

Yes, the 288-pin DDR5 RDIMM form factor matches the memory slots on the SuperMicro SYS-221HE systems listed in the compatibility data.

How do I install the eight 32 GB modules, and what step is often missed?

Power down, open the chassis, align each module’s key notch with the slot, press firmly until the latches click, then verify in BIOS that all 256 GB are detected at 4800 MT/s.

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