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Eight green DDR5 RDIMM modules in a row

NEMIX RAM

NEMIX RAM 256GB 8x32GB DDR5 6400 CL52 1.1V ECC Registered RDIMM memory upgrade

SKU CH-FJAF-MJQTW

Eight 32 GB DDR5 modules deliver 256 GB of registered ECC memory at 6400 MT/s with CL52 latency and 1.1 V operation for the Supermicro H14DSG-O-CPU motherboard

  • Total capacity256 GB (8 × 32 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • 256 GB total capacity from eight 32 GB modules for dense server memory
  • DDR5 6400 speed with CL52 latency at 1.1 V for efficient throughput
  • Registered ECC RDIMM design corrects single-bit errors and stabilises fully populated slots
  • 2Rx8 organisation matches the memory controller expectations of the Supermicro H14DSG-O-CPU
  • 288-pin DDR5 form factor fits only boards that require registered DDR5 modules

Server-grade DDR5 kit for Supermicro H14DSG-O-CPU

This 256GB kit (8 x 32GB) delivers registered ECC DDR5-6400 memory at 1.10V with CL52 timing. It is built for administrators and integrators who need maximum capacity on the Supermicro H14DSG-O-CPU motherboard. The 2Rx8 registered DIMMs ensure full population support without signal loading issues.

Replaces partial or mixed-capacity configurations

Moving from a partially populated setup or mixed-rank modules to this uniform 8-module kit lets the memory controller run every slot at the rated 6400 MT/s. The jump is worth it when your workload demands the full 256GB at native speed and you must avoid downclocking caused by population rules or rank mismatches.

Handles large-scale virtualization

The 256GB capacity with registered ECC architecture comfortably supports dense virtualization clusters, large in-memory databases, and high-thread-count compute nodes. It runs out when a workload exceeds the motherboard's maximum supported memory or when a future platform requires a different DDR generation or form factor.

How it compares

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

Price $9,401.99
Pricier than about 86% of the 21,161 comparable items (median $397.99).
Total capacity 256 GB (8 × 32 GB)
Higher than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $36.73 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 numberMR51200-328K8
Total capacity256 GB (8 × 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 items256 GB 8 × 32 GB DDR5 6400 MHz PC5-51200 2Rx8 1.1 V 288-PIN ECC RDIMM KIT

Questions about this item

Does the 288-pin RDIMM form factor fit the Supermicro H14DSG-O-CPU motherboard slots?

Yes, the kit uses the 288-pin Registered RDIMM form factor that the Supermicro H14DSG-O-CPU motherboard requires, and it matches the board's memory-population rules for full-capacity recognition.

What is the correct installation sequence for the eight 32 GB modules on this board?

Consult the Supermicro H14DSG-O-CPU manual for the approved DIMM population order; the kit's 2Rx8 registered ECC modules must be installed in the exact slots the manual specifies to run at DDR5-6400 CL52.

Will the ECC and registered features require any firmware updates or ongoing maintenance?

ECC error correction and registered buffering operate automatically once the modules are seated and the system boots; no firmware updates or periodic maintenance are needed for the memory itself.

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