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Two green DDR5 RDIMM modules, black chips, no heat spreader

NEMIX RAM

NEMIX RAM DDR5 6400 64GB (2x32GB) ECC RDIMM CL52 1.1V 2Rx8 Supermicro H14DSH memory upgrade

SKU CH-HGBT-T9SPG

A 64GB DDR5 6400 ECC RDIMM kit with CL52 timing, 1.1V operation and 2Rx8 registered architecture, verified for the Supermicro H14DSH motherboard

  • Total capacity64 GB (2 × 32 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • Exact-match DDR5-6400 CL52 kit installs at rated speed
  • Registered ECC RDIMM prevents silent data corruption
  • 2Rx8 1.10V modules populate every slot fully
  • Verified fit for Supermicro H14DSH motherboard
  • Lifetime replacement warranty with US-based technical support

Capacity and fitment

This 64GB kit provides two 32GB DDR5 RDIMM modules built to the exact rank, voltage and timing the Supermicro H14DSH memory controller expects. It is for administrators who need registered ECC memory that will be recognised at full capacity and run at its rated speed without manual tuning.

Upgrade path and population rules

The kit replaces lower-capacity DDR5 RDIMMs or fills empty slots when the board's population rules allow two 2Rx8 modules at 6400 MT/s. The jump is worth it when the workload demands the full 64GB at the native data rate and the platform's qualified-vendor list includes this part number.

DDR5 RDIMM practical limits

Registered DDR5 at 1.1V and CL52 lets every slot run fully populated while ECC corrects single-bit errors on the fly, but the board's own memory-population table still dictates which slots may be used and whether higher frequencies are supported with two ranks per channel.

How it compares

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

Price $2,461.99
Pricier than about 71% of the 21,161 comparable items (median $397.99).
Total capacity 64 GB (2 × 32 GB)
Higher than about 60% of the 20,941 comparable items (median 32 GB).
Price per GB $38.47 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 numberMR51200-328K2
Total capacity64 GB (2 × 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 items64 GB 2 × 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 Supermicro H14DSH memory slots?

Yes, the 288-pin Registered DDR5 form factor matches the H14DSH motherboard slots exactly; UDIMM or SODIMM modules will not fit.

What is the correct population order when installing this 2Rx8 kit on the H14DSH?

Follow the motherboard manual's DIMM population sequence for registered ECC memory; installing in the wrong slot order can prevent the system from recognising the full 64 GB capacity.

Do these registered ECC RDIMMs require any firmware updates or battery-backed maintenance over time?

No firmware or battery maintenance is needed; if a module ever fails, the lifetime replacement warranty covers a direct swap without reconfiguration.

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