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Eight green DDR5 RDIMM sticks in a row, gold contacts down, black chips on both sides, no heat spreaders

NEMIX RAM

NEMIX RAM 128GB DDR5 6400 ECC RDIMM 8x16GB CL52 1.1V Supermicro H13SST-G memory upgrade

SKU CH-75MW-7EBR1

Eight 16 GB DDR5 registered ECC modules at 6400 MT/s CL52 1.1 V for Supermicro H13SST-G servers

  • Total capacity128 GB (8 × 16 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • Exact-match 128 GB DDR5-6400 kit runs at rated speed
  • Registered ECC design catches single-bit errors automatically
  • 1Rx8 1.10 V modules populate every slot on Supermicro H13SST-G
  • 288-pin RDIMM form factor fits the board's memory rules
  • Lifetime replacement warranty with US-based technical support

Exact-match DDR5 RDIMM kit for Supermicro H13SST-G

This 128GB kit delivers eight 16GB DDR5 6400 RDIMM modules built to the board's required 288-pin registered ECC specification. The 1Rx8 organization and CL52 timing match the memory controller's expectations so every slot is recognised at full capacity. Server administrators who need validated, high-density memory for production workloads will find the spec alignment eliminates guesswork during deployment.

Registered ECC design with 1.10V operation

Registered architecture buffers the command and address lines to reduce electrical load on the memory controller when all eight slots are populated. ECC circuitry detects and corrects single-bit errors on the fly to prevent silent data corruption and unplanned reboots. The modules run at the standard 1.10V DDR5 voltage with no heat spreader, relying on the server's directed airflow for cooling.

Eight-module population for maximum supported

The kit occupies every DIMM slot on the H13SST-G to reach the 128GB total, so no further memory can be added without removing modules. Builders must follow the motherboard manual's population order and capacity limits before installation. Systems that require more memory than this kit provides will need a different platform.

How it compares

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

Price $3,802.99
Pricier than about 76% of the 21,161 comparable items (median $397.99).
Total capacity 128 GB (8 × 16 GB)
Higher than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $29.71 per GB
Pricier than about 84% of the 20,941 comparable items (median $8.19 per GB).

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Specifications

Product
Brand nameNEMIX RAM
Product lineNEMIX RAM Original Series Server Memory
Model nameDDR5 ECC RDIMM Registered Server Memory
Part numberMR51200-618K8
Total capacity128 GB (8 × 16 GB)
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 6400 (PC5 51200)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL52
ECC supportYes
Buffer typeRegistered
Memory rank1Rx8
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items128 GB 8 × 16 GB DDR5 6400 MHz PC5-51200 1Rx8 1.1 V 288-PIN ECC RDIMM KIT

Questions about this item

How do I install the 8x16GB DDR5 6400 RDIMM kit in my Supermicro H13SST-G, and what population step is often missed?

Populate all eight 288-pin slots following the motherboard manual's exact DIMM order; the step most often missed is verifying the 1Rx8 registered ECC population sequence for full 128GB recognition at CL52 1.1V.

What maintenance or replacement will this 128GB DDR5 ECC RDIMM kit need over its service life?

No scheduled maintenance is required; the registered ECC design corrects single-bit errors automatically, and the modules are covered by a lifetime replacement warranty if a hardware fault ever occurs.

What limit appears first when this 8x16GB DDR5 6400 CL52 kit runs sustained workloads on the H13SST-G?

The memory controller's maximum supported capacity and ranked population rules for 1Rx8 registered DIMMs at 1.1V define the ceiling; the kit matches those specs exactly for full-speed stability.

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