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Two green DDR5 RDIMM modules in anti-static tray

NEMIX RAM

NEMIX RAM 32GB 2x16GB DDR5 4800 ECC RDIMM Supermicro H14SSF memory upgrade

SKU CH-7EFR-FGC7R

A 32GB kit of two 16GB DDR5-4800 ECC registered DIMMs built for the Supermicro H14SSF motherboard

  • Capacity32GB (2 x 16GB)
  • Type288-Pin DDR5 RDIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.10V
  • ECCYes

Size 32GB 2X16GB

Show 24 more configurations
  • 32 GB total capacity from two 16 GB modules for full server performance
  • DDR5 4800 speed with CL40 latency delivers rated throughput for Supermicro H14SSF
  • Registered ECC architecture corrects single-bit errors and offloads the memory controller
  • 1 V operation at 1Rx8 rank matches the motherboard memory-controller expectations
  • 288-pin RDIMM form factor fits the Supermicro H14SSF board exactly

Supermicro H14SSF DDR5 ECC RDIMM Kit

This 32 GB kit delivers two 16 GB DDR5-4800 Registered ECC modules built to the exact rank, voltage and timing the Supermicro H14SSF memory controller expects. It installs as a matched pair so the board recognises full capacity at rated speed without manual tuning. Ideal for administrators expanding a single-socket server that requires registered DIMMs with on-die error correction. Not suited for workstations or desktops that accept only unbuffered UDIMMs.

Thermals Noise and Power Draw

Each module runs at 1.10 V with no heat spreader, relying on the server chassis airflow for cooling. Registered buffering reduces electrical load on the memory controller, helping keep system power draw predictable when all slots are populated. Silent operation is inherent because there are no active cooling components on the DIMMs themselves.

Upgrade From Lower Capacity or Non-ECC UDIMMs

The jump is worthwhile when your current configuration leaves DIMM slots empty or uses unbuffered non-ECC memory that the H14SSF cannot support at full population. Adding this registered ECC kit enables maximum supported capacity while protecting data integrity with single-bit error correction. Not an upgrade path for systems limited to UDIMM-only architectures.

Highlights

  • 32 GB total capacity from two 16 GB modules for full server performance
  • DDR5 4800 speed with CL40 latency delivers rated throughput for Supermicro H14SSF
  • Registered ECC architecture corrects single-bit errors and offloads the memory controller
  • 1 V operation at 1Rx8 rank matches the motherboard memory-controller expectations
  • 288-pin RDIMM form factor fits the Supermicro H14SSF board exactly

Specifications

BrandNEMIX RAM
SeriesNEMIX RAM Original Series Server Memory
ModelDDR5 ECC RDIMM Registered Server Memory
Part NumberMR38400-618K2
Capacity32GB (2 x 16GB)
Type288-Pin DDR5 RDIMM
SpeedDDR5 4800 (PC5 38400)
CAS LatencyCL40
Voltage1.10V
ECCYes
Buffered/RegisteredRegistered
Rank1Rx8
ChipsetMajor OEM Samsung, Micron, Hynix
Heat SpreaderNo
Compatible SystemSupermicro
FeaturesDDR5 ECC RDIMM Motherboard Compatible
Package Content32GB 2X16GB DDR5 4800MHz PC5-38400 1Rx8 1.1V 288-PIN ECC RDIMM KIT

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Questions about this item

How do I install these 288-pin DDR5 RDIMMs in the Supermicro H14SSF and which slot-population step is most often missed?

Power down, open the chassis, and insert each 16GB module into the slots specified by the H14SSF manual for a 2-DIMM configuration; the step most often missed is following the exact population order the manual requires for registered ECC memory.

What maintenance or replacement will this 32GB DDR5 4800 ECC RDIMM kit need during its service life?

No routine maintenance is required; if a module fails, the lifetime replacement warranty covers a direct swap of the defective 16GB stick.

What limit appears first when this 1Rx8 CL40 1.10V kit runs sustained workloads on the H14SSF?

The memory controller's maximum supported capacity and ranked-population rules for the H14SSF will be reached before the modules' own DDR5-4800 CL40 1.10V rating becomes a bottleneck.

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