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Two green DDR5 RDIMM modules without heat spreaders, 288-pin, 64GB kit

NEMIX RAM

NEMIX RAM 64GB (2x32GB) DDR5-6400 CL52 1.1V 2Rx8 ECC Registered RDIMM for Supermicro H14SHM

SKU CH-B21R-9XX2Z

64 GB DDR5-6400 CL52 ECC registered RDIMM kit validated for Supermicro H14SHM servers

  • 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 capacity in a matched 2 x 32 GB kit for full server memory population
  • DDR5-6400 (PC5-51200) speed with CL52 latency runs at the board's rated frequency
  • 1 V registered ECC RDIMM architecture offloads the controller and corrects single-bit errors
  • 288-pin 2Rx8 form factor verified for Supermicro H14SHM motherboard memory rules
  • Lifetime replacement warranty with US-based technical support included

Exact-Match DDR5-6400 RDIMM Kit

This 64 GB kit contains two 32 GB DDR5-6400 registered ECC modules built to the precise rank, voltage and timing the Supermicro H14SHM memory controller expects. It is intended for administrators upgrading that specific motherboard to its full supported capacity with server-grade stability.

DDR5 RDIMM Population Rules

Registered DDR5 DIMMs allow every slot to run fully populated at rated speed, but the motherboard manual dictates the exact population order and maximum capacity per channel. Buyers who need a different capacity per module or a UDIMM form factor cannot use this kit.

2Rx8 Registered ECC at 1.1 V

The dual-rank 2Rx8 organisation, 1.10 V operating voltage and CL52 latency are the single specification set that determines whether the H14SHM will initialise the memory at 6400 MT/s. A module with different ranks, voltage or timing will not be recognised at full speed.

How it compares

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

Price $2,484.99
Pricier than about 71% 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 $38.83 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

Should I pick this 64 GB kit or a smaller capacity for my Supermicro H14SHM?

This kit provides 64 GB as two 32 GB modules; check your motherboard manual for supported capacities and population rules before deciding.

What does the DDR5-6400 rating mean when the kit is installed in the server?

The modules run at 6400 MT/s with CL52 latency at 1.1 V, delivering the rated speed and timing your memory controller expects.

Is the 288-pin RDIMM interface compatible with my board and what does it limit?

The 288-pin Registered ECC RDIMM form factor matches the H14SHM's slots, enabling full-capacity operation with error correction and registered buffering.

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