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Two green DDR5 RDIMM modules with gold contacts and black chips, no heat spreaders

NEMIX RAM

NEMIX RAM 32GB (2×16GB) DDR5 4800 CL40 1Rx8 ECC RDIMM SuperMicro 221HE memory upgrade

SKU CH-982R-0V9ZG

32 GB DDR5 4800 CL40 ECC registered RDIMM kit for SuperMicro 221HE servers

  • Capacity32GB (2 x 16GB)
  • SpeedDDR5 4800 (PC5 38400)
  • ECCYes
  • Buffered/RegisteredRegistered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.10V
  • 32 GB kit for SuperMicro 221HE servers
  • DDR5 4800 speed with CL40 latency
  • ECC registered RDIMM for data integrity
  • 1Rx8 organisation on major OEM chips
  • 10 V low-voltage DDR5 operation

NEMIX RAM 32GB DDR5 4800 ECC RDIMM Kit

This 32GB kit contains two 16GB DDR5 4800 registered DIMMs with ECC and a CL40 latency. It is built for SuperMicro IOT SuperServer SYS-221HE series systems that require registered server memory. The modules operate at 1.1V using major OEM chips from Samsung, Micron or Hynix.

Suited for admins upgrading compatible SuperMicro

This kit suits administrators adding ECC registered capacity to the listed SuperMicro IOT SuperServer models. It is not for desktop PCs or workstations that accept only unbuffered UDIMMs. Buyers needing non-ECC memory or higher speeds than DDR5 4800 should look at something else.

Simple DIMM installation

Installation follows normal server DIMM procedures: power down, open the chassis, align the 288-pin key and press until the latches click. The most common issue is mixing registered RDIMMs with unbuffered modules, which prevents boot. Always verify the motherboard supports 1Rx8 registered DDR5 at 4800MT/s before fitting.

Highlights

  • 32 GB kit for SuperMicro 221HE servers
  • DDR5 4800 speed with CL40 latency
  • ECC registered RDIMM for data integrity
  • 1Rx8 organisation on major OEM chips
  • 10 V low-voltage DDR5 operation

Specifications

BrandNEMIX RAM
SeriesSuperMicro Server/Workstation Compatible Series Memory
ModelSuperMicro DDR5 4800MHZ ECC RDIMM Registered Server Memory
Part NumberMR38400-618K2
Capacity32GB (2 x 16GB)
SpeedDDR5 4800 (PC5 38400)
ECCYes
Buffered/RegisteredRegistered
ChipsetMajor OEM Samsung, Micron, Hynix
Voltage1.10V
Compatible SystemSupermicro
CAS LatencyCL40
Heat SpreaderNo
Type288-Pin DDR5 RDIMM
Rank1Rx8
FeaturesDDR5 ECC Registered RDIMM Server Motherboard Compatible
Package Content32GB (2X16GB) DDR5 4800MHZ PC5-38400 1Rx8 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

Does this kit require a SuperMicro SYS-221HE server that supports DDR5 4800 registered ECC memory?

Yes, the modules are DDR5 4800 CL40 1.1V ECC RDIMM registered DIMMs validated for the SuperMicro 221HE series, so the host must accept that exact specification.

Can I keep my existing DDR5 4800 ECC RDIMMs and add this 32 GB kit to the same server?

You can mix them if the other modules are also DDR5 4800 CL40 1Rx8 1.1V registered ECC RDIMMs; matching speed, latency, rank, voltage and registration avoids timing conflicts.

How do I confirm the kit is running at DDR5 4800 CL40 with ECC active after installation?

Check the BIOS memory information or an OS tool such as dmidecode; it should show 4800 MT/s, CL40, 1.1 V, registered ECC and 32 GB total across the two 16 GB modules.

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