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Two green DDR5 RDIMM modules in anti-static bags

NEMIX RAM

NEMIX RAM 128GB (2x64GB) DDR5 6400MHz CL52 4Rx4 1.1V ECC RDIMM Supermicro memory upgrade

SKU CH-P1RK-RSB86

A 128 GB DDR5 registered ECC kit (2 × 64 GB) running at 6400 MHz CL52, 1.1 V, 4Rx4, validated for Supermicro X14SBM-TP4F servers

  • Total capacity128 GB (2 × 64 GB)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • Memory rank4Rx4
  • 128 GB total capacity with two 64 GB modules
  • DDR5 6400 MHz CL52 for high-speed data throughput
  • ECC registered design protects data integrity in servers
  • 1 V operation reduces power draw under load
  • Validated for Supermicro X14SBM-TP4F motherboard compatibility

Capacity and role

This 128GB kit delivers two 64GB DDR5 ECC RDIMM modules for Supermicro X14SBM-TP4F systems. It targets server and workstation operators who need registered memory with error correction for sustained workloads.

Build and connectors

Each module uses a 288-pin DDR5 RDIMM form factor with 4Rx4 organisation and operates at 1.10V. The design omits a heat spreader, so airflow across the DIMM slots must be sufficient for the operating environment.

Upgrade context

The kit replaces smaller-capacity or lower-speed DDR5 RDIMM sets when the platform supports 6400MHz CL52 registered modules. The jump is worthwhile when the application demands 128GB of ECC memory and the motherboard qualifies this exact part number.

How it compares

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

Price $4,463.99
Pricier than about 78% of the 21,161 comparable items (median $397.99).
Total capacity 128 GB (2 × 64 GB)
Higher than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $34.87 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 lineSupermicro Compatible Series Server Memory
Model nameDDR5 ECC RDIMM Registered Server RAM
Part numberMR51200-944K2
Total capacity128 GB (2 × 64 GB)
Product type288-PIN DDR5 RDIMM
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL52
ECC supportYes
Buffer typeRegistered
Heat spreaderNo
Memory rank4Rx4
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items128 GB (2 × 64 GB) DDR5 6400 MHz PC5-51200 4Rx4 1.1 V 288-PIN ECC RDIMM KIT

Questions about this item

Does the DDR5 6400MHz interface cap at PC5-51200 bandwidth?

Yes, the kit runs at 6400MHz which equals PC5-51200 transfer rate, so that is the practical ceiling for this memory.

What physical slot and form factor does the 288-PIN RDIMM need?

Each 64GB module uses a standard 288-pin DDR5 RDIMM form factor and requires a matching registered DIMM slot on the Supermicro X14SBM-TP4F motherboard.

How are the modules installed and what step is often missed?

Power down the server, open the chassis, align each module's notch with the slot key, press firmly until the retention clips lock, then verify the BIOS recognises the full 128GB capacity.

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