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Two green DDR5 RDIMM modules, bare chips, no heat spreader

NEMIX RAM

NEMIX RAM MR51200-618K2 32GB (2x16GB) DDR5 6400 CL52 ECC RDIMM memory upgrade

SKU CH-R3FH-DSZ0G

A 32GB dual-module DDR5 kit with ECC and registered buffering for Supermicro H14DSH servers, running at 6400MHz CL52 on 1.1V

  • Total capacity32 GB (2 × 16 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • 32 GB capacity from a matched 2 x 16 GB kit for full server density
  • DDR5 6400 speed with CL52 latency at 1.1 V for rated throughput
  • ECC and registered design corrects single-bit errors and offloads the memory controller
  • 288-pin RDIMM form factor verified for Supermicro H14DSH motherboard fitment
  • Built with major OEM chips from Samsung, Micron or Hynix for enterprise reliability

Exact DDR5-6400 ECC RDIMM kit for Supermicro H14DSH

This 32 GB kit contains two 16 GB DDR5 6400 (PC5-51200) registered ECC modules built to the exact rank, voltage and timing the Supermicro H14DSH memory controller expects. It is intended for server administrators who need guaranteed full-capacity recognition and rated-speed operation on that specific motherboard.

Registered ECC with 1Rx8 organisation and 1.10 V

The single specification that determines fit is the 1Rx8 registered ECC organisation at 1.10 V with CL52 latency. The H14DSH requires 288-pin RDIMMs with this precise electrical profile; a UDIMM, SODIMM or different rank configuration will not be recognised or will run at reduced capacity.

Keyed 288-pin RDIMM installation

Installation follows standard RDIMM keying: align the notch, press evenly until the latches click. The main risk is violating the motherboard's DIMM population order — consult the H14DSH manual for the approved slot sequence before seating both modules, otherwise the system may fail to post or report reduced memory.

How it compares

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

Price $967.99
Pricier than about 60% of the 21,161 comparable items (median $397.99).
Total capacity 32 GB (2 × 16 GB)
Typical for this category: the median of 20,941 items is 32 GB.
Price per GB $30.25 per GB
Pricier than about 86% 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 numberMR51200-618K2
Total capacity32 GB (2 × 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 items32 GB 2 × 16 GB DDR5 6400 MHz PC5-51200 1Rx8 1.1 V 288-PIN ECC RDIMM KIT

Questions about this item

How does the DDR5 6400 speed translate when the kit is installed in a Supermicro H14DSH?

The modules run at their rated 6400 MT/s with CL52 timing at 1.10 V, so the memory controller sees the full data rate without downclocking.

What does the registered ECC RDIMM interface cap in a fully populated server?

Registered buffering offloads the memory controller, allowing every slot to run at the full 32 GB kit capacity while ECC corrects single-bit errors on the fly.

What physical slot and clearance does this 288-pin DDR5 RDIMM kit need?

It requires a standard 288-pin DDR5 RDIMM socket; the modules have no heat spreader, so they fit in tight server DIMM arrays without extra height.

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