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Twelve green DDR5 RDIMM modules in anti-static tray

NEMIX RAM

NEMIX RAM 768GB 12x64GB DDR5 6400 CL52 1.1V 2Rx4 ECC Registered RDIMM Kit for Supermicro H14SST-GE

SKU CH-NRQJ-4MY3P

A 768GB kit of twelve 64GB DDR5 6400 CL52 1.1V 2Rx4 ECC Registered RDIMMs validated for the Supermicro H14SST-GE motherboard

  • Total capacity768 GB (12 × 64 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • 768 GB total capacity from twelve 64 GB modules for maximum memory density
  • DDR5 6400 speed with CL52 latency at 1.10 V for rated server performance
  • Registered ECC RDIMM architecture offloads the controller and corrects single-bit errors automatically
  • 288-pin 2Rx4 form factor matches the Supermicro H14SST-GE motherboard slot and population rules
  • Built with Samsung, Micron or Hynix components for enterprise-grade reliability

Exact-match DDR5-6400 RDIMM kit

This 768GB kit contains twelve 64GB DDR5-6400 PC5-51200 RDIMMs with CL52 timing, 1.10V operation and 2Rx4 registered ECC. It is built for the Supermicro H14SST-GE motherboard and delivers the precise rank, voltage and timing the server memory controller expects.

Twelve 288-pin slots fully populated

The registered (buffered) architecture offloads the memory controller so every slot runs at full capacity when all twelve modules are installed. ECC corrects single-bit errors on the fly to stop silent data corruption and unplanned reboots before they reach production. No heat spreader is included, so airflow must be managed by the chassis.

Sustained enterprise stability

Registered ECC modules maintain rated speed and full capacity across all populated channels under continuous load, avoiding the throttling or errors that can appear with unbuffered memory at this density. The kit is validated for the H14SST-GE population rules; consult the motherboard manual for supported capacities and installation order before purchase.

How it compares

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

Price $26,096.99
Pricier than about 92% of the 21,161 comparable items (median $397.99).
Total capacity 768 GB (12 × 64 GB)
Higher than about 92% of the 20,941 comparable items (median 32 GB).
Price per GB $33.98 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 numberMR51200-924K12
Total capacity768 GB (12 × 64 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 rank2Rx4
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items768 GB 12 × 64 GB DDR5 6400 MHz PC5-51200 2Rx4 1.1 V 288-PIN ECC RDIMM KIT

Questions about this item

Does sustained full-capacity load reveal any thermal or power limits with the 768GB kit?

Registered DDR5 modules at 1.10V spread load across twelve ranks; the board's VRM and airflow determine the practical ceiling.

What noise or heat should I expect when all twelve slots run 24/7?

No heat spreaders are fitted; thermals depend on chassis airflow and DIMM spacing. Power draw stays at 1.10V per module.

Must the Supermicro H14SST-GE motherboard already be installed and BIOS-ready for this kit to function?

Yes — the kit is spec-matched to that board's 288-pin RDIMM slots and population rules; the system must be present and configured.

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