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Eight green DDR5 RDIMM modules in a row

NEMIX RAM

NEMIX RAM 1TB (8x128GB) DDR5 6400MHz CL52 4Rx4 1.1V ECC RDIMM Supermicro memory upgrade

SKU CH-FFHK-9PJQB

Eight 128 GB DDR5 registered ECC modules totalling 1 TB at 6400 MHz CL52 for Supermicro servers

  • Total capacity1 TB (8 × 128 GB)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • Memory rank4Rx4
  • 1TB total capacity across eight 128GB modules
  • DDR5 6400MHz speed with CL52 latency
  • ECC registered design protects data integrity
  • 1V operation reduces power draw
  • Validated for Supermicro X14SBM-TF systems

1TB DDR5 ECC RDIMM Kit for Supermicro Servers

This 1TB kit provides eight 128GB DDR5 registered DIMMs built for Supermicro X14SBM-TF platforms. ECC and registered buffering protect data integrity in mission-critical workloads. IT teams upgrading memory-constrained servers gain capacity without changing motherboards.

Sustained Load Behaviour with 4Rx4 Organisation

Each module uses a 4Rx4 rank layout at 6400MHz CL52 and 1.10V. The quad-rank design keeps bandwidth stable during long AI training runs or database scans. Registered signalling reduces electrical load on the memory controller under continuous throughput.

Upgrade Path from Smaller Registered Kits

The kit replaces lower-capacity DDR5 RDIMM sets when workloads exceed existing memory headroom. The jump is worth it when virtualisation density or in-memory analytics demand more than current slots provide. Compatibility is validated for the target Supermicro platform only.

How it compares

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

Price $36,653.99
Pricier than about 94% of the 21,161 comparable items (median $397.99).
Total capacity 1 TB (8 × 128 GB)
Higher than about 93% of the 20,941 comparable items (median 32 GB).
Price per GB $36.65 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 numberMR51200-744K8
Total capacity1 TB (8 × 128 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 items1 TB (8 × 128 GB) DDR5 6400 MHz PC5-51200 4Rx4 1.1 V 288-PIN ECC RDIMM KIT

Questions about this item

How much power does the 1.1V DDR5 6400MHz kit draw when the Supermicro server runs continuously?

Each 128GB module operates at 1.10V; total draw depends on the platform's memory controller and load, so consult the Supermicro X14SBM-TF documentation for exact system-level figures.

What motherboard features must the Supermicro X14SBM-TF provide for this 8-module 1TB kit to function?

The board needs eight 288-pin DDR5 RDIMM slots, support for 4Rx4 registered ECC modules at 6400MHz, and a memory controller able to address 1TB across all channels.

Can the 4Rx4 registered ECC modules work alongside any existing 2Rx4 or 2Rx8 DDR5 RDIMMs already installed in the same server?

Mixing ranks is possible only if the Supermicro memory controller supports heterogeneous rank configurations; check the X14SBM-TF qualified-vendor list before combining different rank modules.

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