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Four green DDR5 RDIMM sticks in a row

NEMIX RAM

NEMIX RAM DDR5 64GB (4x16GB) 6400MHz CL52 1.1V ECC Registered RDIMM Supermicro H14DST-F memory upgrade

SKU CH-66WQ-00WSS

A 64GB DDR5 kit of four 16GB Registered ECC RDIMMs at 6400MHz CL52 1.1V, validated for the Supermicro H14DST-F motherboard

  • Total capacity64 GB (4 × 16 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • 64 GB total capacity from four 16 GB modules
  • DDR5 6400 speed with CL52 latency at 1.1 V
  • ECC and registered design prevents data errors
  • 288-pin RDIMM form factor fits Supermicro H14DST-F
  • Lifetime replacement warranty with US-based technical support

Supermicro H14DST-F memory upgrade

This 64GB kit is built specifically for the Supermicro H14DST-F motherboard, delivering four 16GB DDR5 RDIMM modules that match the board's registered ECC requirements. System administrators upgrading production servers receive the exact rank, voltage and timing the memory controller expects.

Registered ECC RDIMM 288-pin form factor

Each module uses a 288-pin registered design that buffers address and command signals so the memory controller stays stable when all slots are populated. ECC circuitry corrects single-bit errors on the fly, preventing silent data corruption and unplanned reboots in always-on workloads.

1Rx8 organisation at 1.10V

The 1Rx8 layout and 1.10V operating voltage align with the platform's native DDR5-6400 specification, allowing the kit to run at its rated CL52 speed without manual tuning. Buyers needing modules without heat spreaders or seeking unbuffered UDIMM alternatives should verify their platform requirements first.

How it compares

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

Price $1,977.99
Pricier than about 68% of the 21,161 comparable items (median $397.99).
Total capacity 64 GB (4 × 16 GB)
Higher than about 60% of the 20,941 comparable items (median 32 GB).
Price per GB $30.91 per GB
Pricier than about 89% 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 numberMR51200-618K4
Total capacity64 GB (4 × 16 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 rank1Rx8
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items64 GB 4 × 16 GB DDR5 6400 MHz PC5-51200 1Rx8 1.1 V 288-PIN ECC RDIMM KIT

Questions about this item

Does DDR5 6400 PC5-51200 run at its rated speed on the H14DST-F?

The kit is spec-matched to the Supermicro H14DST-F memory controller, so the 6400 MT/s data rate and CL52 timings are recognised at full capacity when populated per the board rules.

Will these 288-pin RDIMMs fit the H14DST-F slots?

Yes, the 288-pin Registered RDIMM form factor is exactly what the H14DST-F requires; UDIMM or SODIMM modules would not seat in these slots.

What population order should I follow when installing the four 16 GB modules?

Consult the H14DST-F manual for the approved DIMM sequence; the board's population rules determine which slots must be filled first for full 64 GB operation.

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