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Twelve green DDR5 RDIMM modules in a row, no heat spreaders, gold contacts visible

NEMIX RAM

NEMIX RAM 768GB 12x64GB DDR5 6400 CL52 2Rx4 ECC RDIMM memory upgrade

SKU CH-QZBQ-0SKDA

A 768GB kit of twelve 64GB DDR5 6400 CL52 2Rx4 ECC Registered RDIMM modules built for the Supermicro H14DSH 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
  • 768GB capacity across 12 modules of 64GB each
  • DDR5 6400 speed with CL52 latency at 1.1V
  • ECC and registered design prevents data errors under load
  • 2Rx4 dual-rank layout maximises density per channel
  • Exact fit for Supermicro H14DSH motherboard 288-pin slots

Exact-match server kit

This 768 GB kit supplies twelve 64 GB DDR5 6400 RDIMM modules built to the exact rank, voltage and timing the Supermicro H14DSH motherboard expects. Registered ECC architecture and 1.10 V operation let the board recognise full capacity at rated speed without manual tuning. It is intended for administrators upgrading that specific platform.

Capacity and headroom

Twelve dual-rank modules fill every slot on the H14DSH and deliver 768 GB of error-correcting memory for large virtualisation clusters, in-memory databases or heavy rendering workloads. The registered buffer keeps the memory controller stable at full population, while ECC corrects single-bit errors before they affect production. Maximum supported capacity is defined by the motherboard manual.

Upgrade path and fit

The kit replaces any smaller DDR5 RDIMM configuration on the H14DSH when the application demands more than the current install provides. It is not suitable for boards that require UDIMM or SODIMM form factors, nor for systems limited to lower registered DIMM counts. Verify the motherboard's qualified vendor list and population rules before installation.

How it compares

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

Price $24,685.99
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 $32.14 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

Will the 12x64GB DDR5 6400 CL52 2Rx4 RDIMM kit install alongside any existing DDR5 RDIMMs in my Supermicro H14DSH?

The kit is an exact-match upgrade for the H14DSH; the motherboard manual lists the approved population order and maximum capacity per channel for fully registered ECC modules.

How do I verify the 768GB kit is running at DDR5 6400 with ECC active after installation?

Enter the BIOS and confirm the memory frequency reads 6400 MT/s, the CAS latency shows CL52, and ECC status is reported as enabled for all 12 modules.

What is included in the box and do I need extra parts to populate all 12 slots on the H14DSH?

The box contains the 12x64GB DDR5 6400 CL52 2Rx4 1.1V 288-pin ECC RDIMM kit; no additional components are required to fill the motherboard's DIMM slots.

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