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Twelve green DDR5 RDIMM modules in a row

NEMIX RAM

NEMIX RAM DDR5 6400 ECC Registered RDIMM 384GB 12x32GB CL52 1.1V 288-pin Supermicro H14SSF

SKU CH-1P19-99BCB

A 384GB DDR5-6400 registered ECC kit with twelve 32GB modules at CL52 and 1.1V, built for the Supermicro H14SSF

  • 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 from 12 x 32 GB modules for dense server memory
  • DDR5 6400 speed with CL52 latency at 1.1 V for rated performance
  • ECC and registered design corrects errors and buffers signals for stability
  • 288-pin RDIMM form factor matches Supermicro H14SSF motherboard requirements
  • 2Rx8 dual-rank organisation enables full-population support at maximum capacity

Capacity and purpose

This 384GB kit delivers twelve 32GB DDR5-6400 registered ECC RDIMMs built for the Supermicro H14SSF motherboard. It targets administrators who must populate every slot at full rated speed with hardware the memory controller recognises immediately.

Upgrade path and fit

The kit replaces partial or mixed-capacity configurations that force the board to downclock or leave slots empty. The jump is worthwhile when the workload demands the full 384GB at CL52 1.1V without manual tuning or population compromises.

Sustained operation

Registered buffering offloads the memory controller so all twelve modules remain stable under continuous load while ECC corrects single-bit errors on the fly. The 1.1V operating point keeps power draw predictable during extended production runs.

How it compares

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

Price $14,192.99
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 $36.96 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 288-pin DDR5 RDIMM modules fit the DIMM slots on a Supermicro H14SSF motherboard?

Yes, the 288-pin Registered DDR5 form factor matches the H14SSF's memory slots exactly; the kit is spec-matched to the board's population rules.

What is the correct population order when installing all twelve 32 GB 2Rx8 modules on the H14SSF?

Follow the motherboard manual's approved DIMM population sequence for full 384 GB capacity; the registered architecture allows every slot to run fully populated at rated speed.

Do these registered ECC DDR5 modules require any firmware updates or periodic maintenance after installation?

No firmware updates or scheduled maintenance are needed; on-die ECC corrects single-bit errors automatically for the life of the modules.

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