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Four green DDR5 RDIMM sticks, no heat spreaders, 288 pins each

NEMIX RAM

NEMIX RAM 256GB (4x64GB) DDR5 4800 CL40 ECC RDIMM memory upgrade

SKU CH-XEJG-P4KHQ

256 GB DDR5 registered ECC server memory kit with four 64 GB modules at 4800 MT/s, CL40, 1.10 V, for Supermicro 221HE systems

  • Capacity256GB (4 x 64GB)
  • SpeedDDR5 4800 (PC5 38400)
  • ECCYes
  • Buffered/RegisteredRegistered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.10V
  • 256 GB total capacity from four 64 GB modules
  • DDR5 4800 speed rated at PC5-38400 for high bandwidth
  • ECC registered RDIMM design protects data integrity in servers
  • CL40 latency at 1.10 V for stable operation
  • Validated for SuperMicro SuperServer SYS-221HE series systems

256GB DDR5 ECC RDIMM kit

This 256GB kit contains four 64GB registered DDR5 modules built for Supermicro servers. ECC and registered operation protect data integrity in continuous workloads. The kit runs at 4800MHz with CL40 latency at 1.1V.

Suited for Supermicro IOT SuperServer 221HE-FTNR

These modules are validated for the listed Supermicro systems. Builders targeting other platforms or needing unbuffered memory should verify compatibility before purchase. Workstations requiring non-ECC consumer RAM will not use this kit.

4800MHz CL40 registered DDR5 speed

The kit operates at DDR5 4800 (PC5-38400) with CL40 timing and 2Rx4 organisation. Systems that demand a different data rate or latency profile will not match this specification.

Points forts

  • 256 GB total capacity from four 64 GB modules
  • DDR5 4800 speed rated at PC5-38400 for high bandwidth
  • ECC registered RDIMM design protects data integrity in servers
  • CL40 latency at 1.10 V for stable operation
  • Validated for SuperMicro SuperServer SYS-221HE series systems

Caractéristiques

BrandNEMIX RAM
SeriesSuperMicro Server/Workstation Compatible Series Memory
ModelSuperMicro DDR5 4800MHZ ECC RDIMM Registered Server Memory
Part NumberMR38400-924K4
Capacity256GB (4 x 64GB)
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 Content256GB (4X64GB) DDR5 4800MHZ PC5-38400 2Rx4 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory KIT

Questions sur cet article

Will the 288-pin DDR5 RDIMM modules fit the memory slots on my SuperMicro SYS-221HE-FTNR?

Yes, the kit uses the standard 288-pin DDR5 RDIMM form factor that matches the registered DIMM slots on the SuperMicro SYS-221HE-FTNR and related models.

What is the correct order for populating the four 64GB modules during installation?

Follow the motherboard manual's channel population sequence — typically fill the first slot of each channel before adding the second, ensuring the registered ECC modules are seated fully until the retention clips click.

How do I know when a 64GB 2Rx4 module needs replacement?

Monitor system logs for corrected ECC errors; a rising count or uncorrectable errors on a specific 64GB module indicates it should be swapped out.

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