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Four green DDR5 RDIMM modules in a row

NEMIX RAM

NEMIX RAM DDR5-6400 ECC Registered RDIMM 128GB (4×32GB) CL52 1.1V 2Rx8 Supermicro H14SST-GE memory upgrade

SKU CH-75VF-G8ZAZ

A 128 GB DDR5 ECC registered RDIMM kit (4 × 32 GB) running at 6400 MT/s with CL52 latency and 1.1 V, built for the Supermicro H14SST-GE motherboard

  • Total capacity128 GB (4 × 32 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • 128 GB total capacity from four 32 GB modules
  • DDR5-6400 speed with CL52 latency at 1.1 V
  • Registered ECC design corrects single-bit errors automatically
  • 2Rx8 dual-rank layout enables full population on supported boards
  • 288-pin RDIMM form factor matches Supermicro H14SST-GE requirements

Supermicro H14SST-GE DDR5 upgrade kit

This 128 GB kit contains four 32 GB DDR5-6400 registered ECC RDIMMs built to the exact rank, voltage and timing the Supermicro H14SST-GE motherboard expects. It targets administrators who need full-capacity, error-correcting memory for production servers and virtualization hosts.

Replacing slower or smaller RDIMMs

The jump is worth it when current modules run below 6400 MT/s, total capacity is under 128 GB, or unbuffered DIMMs are installed in a board that requires registered parts. Registered architecture offloads the memory controller so every slot stays stable at full population.

288-pin RDIMM form factor fits the board's memory

The kit needs a compatible Supermicro H14SST-GE platform with correct DIMM population order documented in the system manual. It frees the builder from mixing ranks or voltages and delivers ECC protection against silent data corruption.

How it compares

Measured against everything we stock in Model-Specific Memory Upgrades, at today’s prices. Recalculated every night.

Price $4,864.99
Pricier than about 80% of the 21,161 comparable items (median $397.99).
Total capacity 128 GB (4 × 32 GB)
Higher than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $38.01 per GB
Pricier than about 90% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineNEMIX RAM Original Series Server Memory
Model nameDDR5 ECC RDIMM Registered Server Memory
Part numberMR51200-328K4
Total capacity128 GB (4 × 32 GB)
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 6400 (PC5 51200)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL52
ECC supportYes
Buffer typeRegistered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items128 GB 4 × 32 GB DDR5 6400 MHz PC5-51200 2Rx8 1.1 V 288-PIN ECC RDIMM KIT

Questions about this item

Does the 288-pin DDR5 RDIMM form factor match the Supermicro H14SST-GE memory slots?

Yes, the kit uses the 288-pin Registered DDR5 RDIMM form factor that the H14SST-GE requires; it is not a UDIMM or SODIMM.

What is the correct population order for the four 32 GB modules on the H14SST-GE?

Install the four 2Rx8 modules in the exact slot sequence shown in the Supermicro H14SST-GE manual so the memory controller recognises the full 128 GB at DDR5-6400.

Will the registered ECC modules need any firmware updates or battery replacements over time?

No firmware updates or batteries are required; the DDR5 RDIMMs rely on on-die ECC and registered buffering for error correction and stability throughout their service life.

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