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Twelve green DDR5 RDIMM modules in a row, bare chips, no heat spreaders

NEMIX RAM

NEMIX RAM 384GB 12x32GB DDR5 6400 CL52 1.1V 2Rx8 ECC Registered RDIMM memory upgrade for Supermicro H14SHM

SKU CH-NKVJ-NC57T

A 384 GB DDR5 registered ECC kit with twelve 32 GB modules at 6400 MT/s, CL52, 1.1 V, validated for the Supermicro H14SHM motherboard

  • Total capacity384 GB (12 × 32 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • 384 GB total capacity across twelve 32 GB modules for maximum server density
  • DDR5-6400 (PC5-51200) speed with CL52 latency runs at rated performance
  • Registered ECC architecture with 2Rx8 rank corrects single-bit errors and stabilises full population
  • 1 V operating voltage matches the motherboard's memory controller specification exactly
  • Validated for Supermicro H14SHM motherboard using 288-pin RDIMM form factor

Capacity and form factor

This 384GB kit contains twelve 32GB DDR5 RDIMMs built to the 288-pin registered ECC standard. It targets administrators expanding a Supermicro H14SHM server to its maximum supported memory capacity.

Upgrade path and timing

The kit replaces any smaller DDR5 RDIMM population or a mixed-rank configuration that forces the controller to down-clock. The jump is worth it when the workload demands full 384GB capacity at the rated 6400 MT/s speed with CL52 latency and 1.1V operation.

Build integration

Each module is a 2Rx8 registered DIMM without a heat spreader, so the memory controller sees the expected electrical load across all populated slots. ECC and registered buffering maintain signal integrity when every slot is filled, freeing the CPU from single-bit error handling and preventing silent data corruption.

How it compares

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

Price $14,771.99
Pricier than about 90% of the 21,161 comparable items (median $397.99).
Total capacity 384 GB (12 × 32 GB)
Higher than about 85% of the 20,941 comparable items (median 32 GB).
Price per GB $38.47 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 numberMR51200-328K12
Total capacity384 GB (12 × 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 items384 GB 12 × 32 GB DDR5 6400 MHz PC5-51200 2Rx8 1.1 V 288-PIN ECC RDIMM KIT

Questions about this item

Does this kit use the 288-pin DDR5 RDIMM form factor required by the Supermicro H14SHM?

Yes, every module is a 288-pin DDR5 RDIMM, the exact registered form factor the H14SHM motherboard expects.

What is the correct population order for all twelve 32 GB modules on the H14SHM?

Follow the motherboard manual's DIMM population sequence for a full 12-DIMM install; the kit matches the board's 2Rx8 rank and 1.1 V spec so each slot runs at DDR5-6400 CL52.

Will the registered ECC design of these modules require any firmware updates or ongoing maintenance?

No firmware updates are needed for the memory itself; ECC error correction and registered buffering operate automatically once the modules are seated and the system posts.

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