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Eight green DDR5 RDIMM modules in a row

NEMIX RAM

NEMIX RAM 1TB (8x128GB) DDR5 6400MHz PC5-51200 4Rx4 1.1V 288-PIN ECC RDIMM Supermicro X14SBW-TF memory upgrade

SKU CH-PVJV-7D7G3

Eight-module 1 TB DDR5 6400 MHz ECC RDIMM kit with CL52 latency and 1.1 V operation for Supermicro X14SBW-TF 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 8 modules of 128GB each
  • DDR5 6400MHz speed with CL52 latency for responsive server workloads
  • ECC registered 4Rx4 design protects data integrity in mission-critical systems
  • 1V operating voltage reduces power draw across large memory configurations
  • Validated for Supermicro X14SBW-TF with Samsung Micron Hynix chipsets

1 TB DDR5 ECC RDIMM kit for Supermicro X14SBW-TF

This 1 TB kit contains eight 128 GB DDR5 registered DIMMs validated for the Supermicro X14SBW-TF platform. It targets administrators expanding memory capacity in enterprise servers that require registered ECC modules. The 288-pin form factor matches the board's DDR5 slots and the 4Rx4 organisation supports high-density population.

Sustained load behaviour

At 6400 MT/s and CL52 the modules maintain stable throughput during prolonged compute tasks such as AI training or database workloads. Registered buffering reduces electrical load on the memory controller, helping signal integrity across all eight slots. The 1.10 V operating voltage keeps power draw predictable under continuous utilisation.

Upgrade path from smaller registered DDR5 kits

The kit replaces lower-capacity registered DDR5 configurations when the workload demands a full terabyte of ECC-protected memory. It is not suited for systems that accept only unbuffered UDIMMs or that limit rank count per channel. The jump is worthwhile when the application scales across all populated channels and the platform firmware supports the 4Rx4 density.

How it compares

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

Price $33,227.99
Pricier than about 93% 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 $33.23 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 each 128GB DDR5 6400MHz module draw at 1.1V during sustained server workloads?

Each module operates at 1.10V. DDR5 RDIMMs at this voltage typically draw a few watts per stick under load, so eight modules will add a measurable but modest amount to the system power budget.

What motherboard features are required to support 4Rx4 registered ECC DDR5 RDIMMs in an eight-module configuration?

The board must provide DDR5 RDIMM slots, registered ECC support, and a memory controller qualified for 4Rx4 organisation across all populated channels. The Supermicro X14SBW-TF meets these requirements.

Will these 6400MHz CL52 modules downclock automatically if installed alongside slower DDR5 RDIMMs already in the system?

Yes. DDR5 RDIMMs negotiate a common speed at boot, so the kit will run at the highest frequency supported by the slowest installed module and the memory controller.

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