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Two green DDR5 RDIMM modules with gold contacts, no heat spreaders, side by side

NEMIX RAM

NEMIX RAM 128GB 2x64GB DDR5 6400 CL52 1.1V ECC RDIMM Kit Supermicro H14DST-FL

SKU CH-D65G-ER7TB

A 128GB dual-channel DDR5-6400 ECC registered kit with CL52 latency and 1.1V operation, validated for the Supermicro H14DST-FL motherboard

  • Total capacity128 GB (2 × 64 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • 128 GB total capacity from a matched 2 × 64 GB kit
  • DDR5 6400 speed with CL52 latency at 1.1 V
  • ECC and registered design prevents silent data errors
  • 288-pin RDIMM form factor built for Supermicro H14DST-FL
  • Major OEM Samsung, Micron or Hynix chips ensure enterprise reliability

Exact-match DDR5 RDIMM kit

This 128 GB kit contains two 64 GB DDR5 RDIMM modules rated at 6400 MT/s with CL52 latency and 1.1 V operation. The 2Rx4 registered ECC design matches the Supermicro H14DST-FL memory controller requirements for full-capacity recognition at rated speed.

Suited for validated server upgrades

System builders populating every DIMM slot on the H14DST-FL will benefit from registered buffering that offloads the memory controller. Environments needing consumer UDIMMs, non-ECC modules, or lower-density kits should select different memory.

Sustained-load stability

Registered architecture and on-die ECC maintain data integrity across fully populated channels during continuous workloads. The 1.1 V operating voltage supports consistent throughput without thermal throttling in dense server configurations.

How it compares

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

Price $3,831.99
Pricier than about 76% 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 $29.94 per GB
Pricier than about 85% 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 numberMR51200-924K2
Total capacity128 GB (2 × 64 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 rank2Rx4
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items128 GB 2 × 64 GB DDR5 6400 MHz PC5-51200 2Rx4 1.1 V 288-PIN ECC RDIMM KIT

Questions about this item

Do I need a Supermicro H14DST-FL motherboard for this 288-pin RDIMM kit to function?

Yes, this 128 GB kit is validated for the Supermicro H14DST-FL; the board must accept DDR5 6400 RDIMMs at 1.1 V with 2Rx4 organization.

Can I mix these 2Rx4 registered ECC modules with other DDR5 RDIMMs already installed in the system?

Mixing is possible only if the existing modules are also DDR5 RDIMMs running at 1.1 V with matching rank and timing; otherwise the memory controller may downclock or disable slots.

How can I verify the kit is running at its rated 6400 speed and CL52 latency after installation?

Enter the BIOS or use a tool such as CPU-Z to confirm the memory frequency reads 6400 MT/s and the CAS latency shows 52 cycles.

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