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Two green DDR5 RDIMM modules, 288-pin, no heat spreader

NEMIX RAM

NEMIX RAM 256GB (2x128GB) DDR5-6400 CL52 4Rx4 ECC RDIMM memory upgrade

SKU CH-GN5V-MV1SP

A 256 GB DDR5 registered ECC memory kit with two 128 GB modules running at 6400 MHz CL52 for Supermicro X14QBH+ motherboards

  • Capacity256GB (2 x 128GB)
  • Type288-Pin DDR5 RDIMM
  • SpeedDDR5 6400 (PC5 51200)
  • CAS LatencyCL52
  • Voltage1.10V
  • ECCYes

Size 256GB 2X128GB

Show 8 more configurations
  • 256 GB total capacity from two 128 GB modules for dense server memory
  • DDR5-6400 speed with CL52 latency delivers rated throughput for Supermicro X14QBH+
  • Registered ECC design corrects single-bit errors and stabilises fully populated slots
  • 10 V operation at 4Rx4 rank matches the motherboard's memory-controller requirements
  • 288-pin RDIMM form factor fits the exact slot type the board expects

Server-grade memory kit

This 256GB kit contains two 128GB DDR5-6400 registered ECC RDIMMs built for Supermicro X14QBH+ motherboards. The modules run at 1.10V with CL52 latency and a 4Rx4 organization that matches the board's memory controller requirements.

Registered ECC architecture

Registered buffering reduces electrical load on the memory controller so all slots can be fully populated at rated speed. On-die ECC detects and corrects single-bit errors automatically, preventing silent data corruption in production workloads.

Pre-installation checks

Verify the motherboard manual for supported capacities, approved DIMM population order and any BIOS updates required before installation. Confirm the system accepts 288-pin registered RDIMMs rather than unbuffered or SO-DIMM form factors.

Highlights

  • 256 GB total capacity from two 128 GB modules for dense server memory
  • DDR5-6400 speed with CL52 latency delivers rated throughput for Supermicro X14QBH+
  • Registered ECC design corrects single-bit errors and stabilises fully populated slots
  • 10 V operation at 4Rx4 rank matches the motherboard's memory-controller requirements
  • 288-pin RDIMM form factor fits the exact slot type the board expects

Specifications

BrandNEMIX RAM
SeriesNEMIX RAM Original Series Server Memory
ModelDDR5 ECC RDIMM Registered Server Memory
Part NumberMR51200-744K2
Capacity256GB (2 x 128GB)
Type288-Pin DDR5 RDIMM
SpeedDDR5 6400 (PC5 51200)
CAS LatencyCL52
Voltage1.10V
ECCYes
Buffered/RegisteredRegistered
Rank4Rx4
ChipsetMajor OEM Samsung, Micron, Hynix
Heat SpreaderNo
Compatible SystemSupermicro
FeaturesDDR5 ECC RDIMM Motherboard Compatible
Package Content256GB 2X128GB DDR5 6400MHz PC5-51200 4Rx4 1.1V 288-PIN ECC RDIMM KIT

Other versions of this model

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Questions about this item

Will the 4Rx4 registered ECC modules need any firmware updates or periodic replacement?

The kit uses 4Rx4 registered ECC DDR5 RDIMMs at 1.10 V; registered modules offload the controller and ECC corrects single-bit errors, so no firmware updates or scheduled replacement are required.

What limit appears first when the 256 GB kit runs continuously at DDR5-6400 CL52?

Sustained operation at 6400 MT/s with CL52 is bounded by the memory controller's maximum supported rank population and thermal envelope; the 4Rx4 organisation fills each slot at full capacity within those limits.

How much heat and power should I expect from the two 128 GB sticks at 1.1 V all day?

Each module runs at 1.10 V without a heat spreader; registered buffering reduces controller load, so power draw stays at the rated voltage and heat output remains within standard DDR5 RDIMM limits for a fully populated server chassis.

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