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Twelve green DDR5 RDIMM modules in a row

NEMIX RAM

NEMIX RAM DDR5 6400 ECC RDIMM 384GB (12x32GB) CL52 1.1V 2Rx8 Supermicro H14SST-GE memory upgrade

SKU CH-ZKRN-1CV83

384 GB DDR5 6400 ECC RDIMM kit with 12 modules of 32 GB, CL52, 1.1 V, 2Rx8 for Supermicro H14SST-GE

  • Total capacity384 GB (12 × 32 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • 384GB total capacity from 12 matched 32GB modules
  • DDR5-6400 speed with CL52 latency at 1.1V
  • Registered ECC design prevents data corruption under load
  • 2Rx8 dual-rank layout maximises density per slot
  • Validated for Supermicro H14SST-GE motherboard memory rules

Supermicro H14SST-GE upgrade kit

This 384GB kit delivers twelve 32GB DDR5-6400 Registered ECC RDIMMs built to the exact rank, voltage and timing the Supermicro H14SST-GE memory controller expects. It is intended for administrators who must populate every slot at full capacity without negotiation.

Registered ECC stability at full population

The 2Rx8 Registered architecture offloads the memory controller so all twelve slots run at the rated 6400 MT/s, while on-die ECC corrects single-bit errors before they reach production workloads. No heat spreaders are included, matching the board's thermal design.

DDR5-6400 CL52 1.1V 288-pin RDIMM

The single specification that decides fitment is the DDR5-6400 CL52 1.1V 2Rx8 288-pin Registered form factor; only motherboards that explicitly support this exact combination will recognise the full 384GB at rated speed. This kit will not work in systems requiring UDIMM, SODIMM, lower voltage or a different DDR generation.

How it compares

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

Price $15,121.99
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 $39.38 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

Will the 12 RDIMM modules or their major-brand Samsung Micron Hynix chips need scheduled replacement?

The modules are solid-state with no moving parts and no user-serviceable components; they run at 1.10 V with registered ECC and a lifetime replacement warranty, so no scheduled replacement is required.

What limit appears first when all 12 slots run DDR5-6400 CL52 continuously?

The registered 2Rx8 architecture offloads the memory controller, allowing full 384 GB capacity at rated 6400 MT/s without down-clocking; the first practical limit is the motherboard's maximum supported capacity and population rules.

How much heat and power does the 384 GB kit draw at 1.1 V under all-day load?

Each 32 GB RDIMM operates at 1.10 V without a heat spreader; total power scales with the 12 modules at DDR5-6400 CL52, and the registered design keeps signal integrity stable during sustained operation.

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