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Eight bare green DDR5 RDIMM modules in a row

NEMIX RAM

NEMIX RAM 256GB (8x32GB) DDR5 6400 PC5-51200 CL52 2Rx4 1.1V ECC RDIMM memory upgrade

SKU CH-3Y2Q-M9GED

Eight 32 GB DDR5 RDIMMs running at 6400 MT/s with ECC and registered buffering for Supermicro servers

  • Total capacity256 GB (8 × 32 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 256 GB kit gives maximum capacity for heavy workloads
  • DDR5 6400 speed moves data fast through registered channels
  • CL52 latency keeps timing tight at high frequency
  • 1 V operation reduces power draw across eight modules
  • ECC RDIMM design protects data integrity in server environments

Server DDR5 ECC RDIMM kit

This NEMIX RAM kit supplies 256GB of DDR5 memory in eight 32GB registered DIMMs. It runs at 6400 MT/s with CL52 latency at 1.1V and includes on-die ECC for data integrity. The modules are validated for SuperMicro X14SBW-TF server and workstation platforms.

Upgrade from lower-capacity DDR5 RDIMMs

The jump makes sense when workloads exceed the capacity of smaller registered kits or when ECC protection becomes mandatory for production databases and virtualization hosts. Adding this kit fills eight slots at once, avoiding mixed-rank configurations that can limit stability.

Capacity headroom for heavy virtualization

Eight 32GB ranks provide ample room for dense VM clusters, in-memory analytics and AI model staging on supported SuperMicro boards. The 2Rx4 organisation maximises density per channel, while the 1.1V operating point keeps power draw predictable. Systems needing more than 256GB or non-registered memory will require a different solution.

How it compares

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

Price $9,599.99
Pricier than about 87% 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 $37.50 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 lineSuperMicro Server/Workstation Compatible Series Memory
Model nameSupermicro DDR5 6400 MHz ECC RDIMM Registered Server Memory
Part numberMR51200-324K8
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
Heat spreaderNo
Memory rank2Rx4
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items256 GB (8 × 32 GB) DDR5 6400 MHz PC5-51200 2Rx4 1.1 V CL52 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

Will the 288-pin DDR5 RDIMM modules fit the memory slots on my SuperMicro X14SBW-TF motherboard?

Yes, the 288-pin DDR5 RDIMM form factor matches the DIMM slots on the SuperMicro X14SBW-TF, so the modules seat correctly in the standard server memory sockets.

What is the correct installation sequence for the eight 32GB modules to avoid the common mistake of populating the wrong channels?

Install the modules in the eight slots designated for the first processor, following the motherboard manual's channel population order (typically one DIMM per channel across all eight channels) so the memory controller trains at 6400 MT/s with the 2Rx4 ranks.

When should I expect to replace a module in this 256GB kit, and what indicates a failure?

The modules are built with Samsung, Micron or Hynix chips and carry a lifetime replacement warranty; replace a stick only if the system logs uncorrectable ECC errors or fails memory diagnostics, which signals a rare chip-level defect.

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