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Two green DDR5 RDIMM sticks, no heat spreaders, gold contacts visible

NEMIX RAM

NEMIX RAM 64GB (2x32GB) DDR5 6400 CL52 1.1V ECC RDIMM 2Rx8 memory upgrade for Supermicro H14SSL-NT

SKU CH-KH3T-2XBZZ

A 64 GB DDR5-6400 registered ECC kit built for the Supermicro H14SSL-NT, running at 1.1 V with CL52 timing

  • Total capacity64 GB (2 × 32 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • 64 GB total capacity from two 32 GB modules
  • DDR5 6400 speed with CL52 latency at 1.10 V
  • Registered ECC RDIMM design prevents data errors
  • 2Rx8 dual-rank organisation for full-slot population
  • 288-pin form factor matches Supermicro H14SSL-NT requirements

Exact-match DDR5 kit for Supermicro H14SSL-NT

This 64 GB kit contains two 32 GB DDR5 6400 RDIMMs built to the 2Rx8 1.1 V CL52 specification the H14SSL-NT memory controller expects. Registered ECC architecture offloads the controller and corrects single-bit errors so fully populated slots run at rated speed without silent data corruption. It is not for systems that require UDIMM or SODIMM form factors or non-ECC memory.

Registered ECC changes how the board populates

Registered buffering lets every slot operate at full capacity while ECC catches and corrects single-bit errors on the fly, preventing unplanned reboots and silent corruption in production workloads. The 288-pin RDIMM form factor is mandatory for this motherboard; UDIMM or SODIMM modules will not fit or function.

Check your manual for population rules

Server memory support varies by model, so consult the system or motherboard manual for approved DIMM population order, maximum supported capacity per slot, and installation steps before ordering. The kit ships as a matched 2 x 32 GB pair with no heat spreader included.

How it compares

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

Price $2,367.99
Pricier than about 70% of the 21,161 comparable items (median $397.99).
Total capacity 64 GB (2 × 32 GB)
Higher than about 60% of the 20,941 comparable items (median 32 GB).
Price per GB $37.00 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 lineNEMIX RAM Original Series Server Memory
Model nameDDR5 ECC RDIMM Registered Server Memory
Part numberMR51200-328K2
Total capacity64 GB (2 × 32 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 rank2Rx8
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items64 GB 2 × 32 GB DDR5 6400 MHz PC5-51200 2Rx8 1.1 V 288-PIN ECC RDIMM KIT

Questions about this item

Will the 2Rx8 RDIMM organisation on this DDR5 kit require any specific slot population on the Supermicro H14SSL-NT?

The 2Rx8 registered DIMMs follow the motherboard's population rules; consult the Supermicro H14SSL-NT manual for the approved slot order and maximum supported capacity per channel before installing the 64 GB kit.

What is the first limit reached when the memory runs continuously at DDR5 6400 CL52?

Sustained operation at the rated 6400 MT/s and CL52 timing is constrained by the memory controller's maximum supported frequency and the 1.1 V voltage envelope defined for this registered ECC kit.

How much heat and power does the kit produce when fully loaded all day?

Each 32 GB module operates at 1.1 V without a heat spreader; registered buffering reduces electrical load on the CPU memory controller, keeping thermals and power draw within standard DDR5 RDIMM limits for the Supermicro platform.

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