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Twelve bare green DDR5 RDIMM modules in a row

NEMIX RAM

NEMIX RAM 768GB 12x64GB DDR5-6400 ECC Registered RDIMM CL52 1.1V 2Rx4 288-pin Kit for Supermicro H14DST-F

SKU CH-E5R1-J0JZN

12-module 768 GB DDR5-6400 ECC Registered RDIMM kit with CL52 timing and 1.1 V operation for Supermicro H14DST-F

  • 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
  • DDR5-6400 speed with CL52 latency at 1.1 V
  • Registered ECC RDIMM architecture for full-slot stability
  • 288-pin 2Rx4 form factor matched to Supermicro H14DST-F
  • Major OEM Samsung, Micron or Hynix chips throughout

Exact-match DDR5 kit for Supermicro H14DST-F

This 768GB kit contains twelve 64GB DDR5-6400 registered ECC RDIMMs built to the precise rank, voltage and timing the H14DST-F memory controller expects. It is intended for administrators who need to populate every slot at full rated speed without manual tuning.

Full-population limits of registered DDR5

Registered architecture offloads the memory controller so all twelve slots can run at 6400 MT/s with ECC active, but the motherboard’s own population rules still dictate which slots must be filled first and whether a specific CPU configuration supports the full 768GB. Consult the H14DST-F manual for the approved DIMM sequence before installation.

Upgrade from smaller or slower DDR5 RDIMMs

The jump is worthwhile when your workload needs the full 768GB capacity at the board’s maximum supported data rate and you want ECC protection across every module. It is not suited for systems that only accept unbuffered UDIMMs, SODIMM form factors, or a lower maximum memory capacity.

How it compares

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

Price $27,282.99
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 $35.52 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

Should I choose the 768GB kit or a smaller capacity for the Supermicro H14DST-F?

The 768GB kit provides 12x64GB modules to fully populate the board. Verify the motherboard manual for supported capacities and DIMM population order before purchase.

What does DDR5-6400 mean for actual throughput on the H14DST-F?

DDR5-6400 (PC5-51200) delivers the rated data rate when the memory controller recognises the exact rank, voltage and timing of this kit.

Is the 288-pin RDIMM interface the right fit for this motherboard?

Yes, the H14DST-F requires 288-pin Registered RDIMMs; this kit matches that form factor and is not a UDIMM or SODIMM.

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