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Two green DDR5 RDIMM modules with black chips, no heat spreader

NEMIX RAM

NEMIX RAM DDR5 64GB (2x32GB) 6400MHz CL52 2Rx8 ECC Registered RDIMM Supermicro H14DSG-O-CPU memory upgrade

SKU CH-RR0A-H4KWG

64 GB DDR5-6400 ECC registered RDIMM kit (2×32 GB, CL52, 1.1 V) validated for Supermicro H14DSG-O-CPU

  • Total capacity64 GB (2 × 32 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • Exact 64 GB DDR5-6400 kit matches Supermicro H14DSG-O-CPU specs
  • Registered ECC RDIMM architecture prevents silent data corruption
  • 2Rx8 dual-rank design enables full-capacity population
  • 1 V DDR5 voltage reduces server power draw
  • Lifetime replacement warranty with US-based technical support

Supermicro H14DSG-O-CPU DDR5 upgrade

This 64 GB kit is built specifically for the Supermicro H14DSG-O-CPU motherboard. It delivers two 32 GB DDR5-6400 registered ECC modules that the board recognises at full rated speed without manual tuning.

Capacity and registered headroom

Two 32 GB 2Rx8 RDIMMs give 64 GB total while the registered architecture buffers each command so every slot can stay populated at the full 6400 MT/s data rate. ECC corrects single-bit errors on the fly, preventing silent data corruption during sustained workloads; the limit is the board's maximum supported capacity per slot and per channel.

Build and daily fit

Modules use a standard 288-pin RDIMM form factor with no heat spreader, so they sit flush in dense server chassis where taller heatsinks would block airflow. Major OEM Samsung, Micron or Hynix DRAM ensures consistent supply and binning. Always verify the motherboard manual for approved population order before installation.

How it compares

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

Price $2,383.99
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 $37.25 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 Registered ECC DDR5-6400 kit be recognised at full 64GB capacity when installed in the Supermicro H14DSG-O-CPU?

The kit matches the board's required 288-pin RDIMM form factor, 2Rx8 rank, 1.1V voltage and CL52 timing so the memory controller registers the full 64GB at the rated 6400 speed.

How can I verify the modules are running at DDR5-6400 with ECC active after installation?

Check the BIOS memory information screen or use a tool such as dmidecode; it should report 6400 MT/s, CL52, 1.1V and ECC enabled for each 32GB DIMM.

What is included in the package and do I need any extra parts to install it?

The box contains the 64GB 2x32GB DDR5-6400 CL52 2Rx8 1.1V 288-pin ECC Registered RDIMM kit; no additional components are required for installation.

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