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Eight green DDR5 RDIMM sticks, no heat spreaders

NEMIX RAM

NEMIX RAM 1TB (8x128GB) DDR5 6400MHz ECC RDIMM memory upgrade

SKU CH-EA08-3HS9V

A 1 TB registered DDR5 kit with eight 128 GB modules running at 6400 MHz, CL52, 1.1 V, ECC and 4Rx4 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 capacity across 8 modules for massive server workloads
  • DDR5 6400MHz speed with CL52 latency for responsive data handling
  • ECC registered design protects data integrity in critical environments
  • 1V operation reduces power draw across all 8 modules
  • Validated for Supermicro X14SBM-TP4F compatibility for assured fit

1TB DDR5 ECC RDIMM kit

This 1TB kit contains eight 128GB registered DDR5 modules built for Supermicro X14SBM-TP4F systems. IT teams and server builders use it to reach maximum supported memory capacity in compatible platforms. The registered design and on-die ECC protect data integrity in mission-critical workloads. Modules operate at the standard 1.1V DDR5 voltage.

6400MHz CL52 4Rx4 headroom

Each module runs at 6400MHz with CL52 latency and a 4Rx4 organisation. The eight-module kit fills all available slots on the target board, delivering the full 1TB ceiling for virtualisation, in-memory databases and AI training datasets. Headroom ends when the platform slot count or memory-controller limit is reached. No higher-capacity registered DDR5 modules are included in this kit.

Upgrade from smaller RDIMM sets

The kit replaces partial-population configurations such as four or six-module sets that leave slots empty and total capacity below the board maximum. The jump is worth it when workloads exceed current memory footprint and the platform supports 128GB 4Rx4 registered modules. Systems limited to lower-rank or lower-density RDIMMs cannot accept this kit.

How it compares

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

Price $38,501.99
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 $38.50 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 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

Will the 8x128GB DDR5 6400MHz ECC RDIMM kit run reliably alongside older DDR5 modules already installed in my Supermicro server?

Mixing this 1.10V CL52 4Rx4 registered kit with modules of different speed, latency, rank or voltage can prevent the system from posting or cause instability; for guaranteed operation populate all channels with identical kits.

How can I verify the 1TB DDR5 6400MHz ECC RDIMM kit is operating at the rated 6400MT/s and ECC is active after installation?

Enter the BIOS or UEFI and confirm the memory frequency reads 6400MT/s (PC5-51200), the CAS latency shows CL52, and ECC status is reported as enabled or active for all 8 modules.

Does the 8x128GB DDR5 6400MHz ECC RDIMM kit include heat spreaders or any mounting hardware, or must I buy them separately?

The modules ship without heat spreaders; the package contains only the eight 288-pin RDIMMs, so no additional mounting hardware is required for standard DIMM slots.

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