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Green rectangular DDR5 RDIMM module with black chips, no heat spreader, 288 gold pins visible

NEMIX RAM

NEMIX RAM 16GB DDR5 4800 ECC RDIMM 1Rx8 CL40 1.1V SuperMicro SYS-121H-TNR SYS-221H-TNR SYS-221H-TN24R

SKU CH-0KFJ-HXZHC

16 GB DDR5 4800 ECC RDIMM module for SuperMicro Hyper SuperServer systems

  • Capacity16GB
  • SpeedDDR5 4800 (PC5 38400)
  • ECCYes
  • Buffered/RegisteredRegistered
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • Voltage1.10V
  • 16 GB DDR5 4800 ECC RDIMM boosts server throughput
  • CL40 1.1 V registered design keeps data integrity high
  • 1Rx8 288-pin module fits Supermicro SYS-121H-TNR SYS-221H-TNR SYS-221H-TN24R
  • Major Samsung Micron Hynix chips deliver enterprise-grade reliability
  • Single 16 GB stick simplifies capacity scaling

16 GB DDR5 ECC RDIMM for Supermicro servers

This 16 GB DDR5 4800 module is built for Supermicro Hyper SuperServer models SYS-121H-TNR, SYS-221H-TNR and SYS-221H-TN24R. It uses registered ECC RDIMM architecture with a 1Rx8 layout to deliver error-correcting stability for mission-critical workloads. The 288-pin form factor fits directly into compatible server motherboards without adapters.

Thermals and power in normal use

Operating at 1.1 V, the module runs at standard DDR5 voltage to keep power draw low inside dense chassis. No heat spreader is fitted, so airflow across the PCB handles cooling in typical server environments. Registered buffering reduces electrical load on the memory controller during sustained operation.

The specification that decides fit

The module must match DDR5 4800 PC5-38400 with CL40 latency, 1.10 V voltage, 1Rx8 rank and registered ECC RDIMM format. Supermicro SYS-121H-TNR, SYS-221H-TNR and SYS-221H-TN24R systems require this exact combination for correct operation.

Points forts

  • 16 GB DDR5 4800 ECC RDIMM boosts server throughput
  • CL40 1.1 V registered design keeps data integrity high
  • 1Rx8 288-pin module fits Supermicro SYS-121H-TNR SYS-221H-TNR SYS-221H-TN24R
  • Major Samsung Micron Hynix chips deliver enterprise-grade reliability
  • Single 16 GB stick simplifies capacity scaling

Caractéristiques

BrandNEMIX RAM
SeriesSuperMicro Server/Workstation Compatible Series Memory
ModelSuperMicro DDR5 4800MHZ ECC RDIMM Registered Server Memory
Part NumberMR38400-618K1
Capacity16GB
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 Content16GB (1X16GB) DDR5 4800MHZ PC5-38400 1Rx8 1.1V CL40 288-PIN ECC RDIMM Registered Server Memory

Questions sur cet article

How do I install this 288-pin DDR5 RDIMM in a SuperMicro SYS-121H-TNR, and which step is often missed?

Align the module notch with the slot key, press straight down until both retention clips click, then verify the system detects the full 16GB at 4800MHz in BIOS.

What maintenance or replacement will this ECC RDIMM need over its service life?

No routine maintenance is required; ECC corrects single-bit errors on the fly, and the module should only be replaced if diagnostics report uncorrectable errors or capacity loss.

What limit appears first when this CL40 1.10V module runs sustained workloads?

The CAS latency of CL40 sets the timing floor, so sustained throughput is bound by the 4800MHz rated speed and 1Rx8 organisation rather than thermal throttling.

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