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Green bare circuit board with gold edge connector and black memory chips in a row

NEMIX RAM

NEMIX RAM 64GB DDR5 6400 PC5-51200 4Rx4 1.1V CL52 288-Pin ECC RDIMM Supermicro X14QBH+ memory upgrade

SKU CH-QJYZ-B3RXN

64 GB DDR5 ECC registered DIMM rated at 6400 MT/s with CL52 timing and 1.1 V operation, validated for the Supermicro X14QBH+ motherboard

  • Total capacity64 GB
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 64GB

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  • Exact-match 64GB DDR5-6400 module runs at rated speed
  • Registered ECC design corrects single-bit errors on the fly
  • 4Rx4 organisation allows full-capacity population per slot
  • 1V operation matches the motherboard memory controller specification
  • 288-pin RDIMM form factor fits Supermicro X14QBH+ board

Supermicro X14QBH+ memory upgrade

This 64GB DDR5 RDIMM is built for the Supermicro X14QBH+ motherboard and matches its required 288-pin registered ECC specification. System administrators expanding memory capacity in supported server configurations will receive a module that the platform recognises at full speed and capacity.

Thermals noise and power draw

Operating at 1.10V the module draws minimal power for its density and runs without a heat spreader, relying on chassis airflow for cooling. Registered buffering reduces electrical load on the memory controller, helping maintain stable thermals even when all slots are populated.

What the package changes

The single 64GB kit adds one 4Rx4 rank DIMM so you can follow the board's approved population order without mixing capacities. ECC corrects single-bit errors on the fly while registered signalling keeps every slot running at the rated 6400 speed.

How it compares

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

Price $2,039.99
Pricier than about 69% of the 21,161 comparable items (median $397.99).
Total capacity 64 GB
Higher than about 60% of the 20,941 comparable items (median 32 GB).
Price per GB $31.87 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 numberMR51200-944K1
Total capacity64 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 rank4Rx4
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items64 GB DDR5 6400 MHz PC5-51200 4Rx4 1.1 V 288-PIN ECC RDIMM KIT

Other versions of this model

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Questions about this item

How do I install the 288-pin DDR5 RDIMM in the Supermicro X14QBH+ and what step is often missed?

Power down, open the chassis, align the module key with the slot, press firmly until both ejector clips click, then verify in BIOS that all 64GB are recognised at 6400 MT/s; the step often missed is confirming the motherboard's required population order for 4Rx4 modules.

What maintenance or replacement will this 64GB DDR5 ECC RDIMM need over its service life?

No scheduled maintenance is required; the module has no heat spreader or moving parts, so only a failed DIMM would need replacement, which is covered by the lifetime replacement warranty.

What limit appears first when this 4Rx4 registered ECC memory runs sustained workloads at 1.1 V?

The registered buffer and ECC logic keep signal integrity stable, so the first practical limit is the platform's maximum supported capacity per channel rather than a thermal or voltage ceiling on the DIMM itself.

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