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Sixteen green DDR5 RDIMM modules in a tray

NEMIX RAM

NEMIX RAM 512GB 16x32GB DDR5 6400 CL52 2Rx8 ECC RDIMM Supermicro H14DSG-OM

SKU CH-3H4F-4ZRFA

A 512GB kit of sixteen 32GB DDR5 6400 CL52 2Rx8 ECC registered RDIMMs built for the Supermicro H14DSG-OM motherboard

  • Total capacity512 GB (16 × 32 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • 512 GB total capacity from sixteen 32 GB modules
  • DDR5 6400 speed with CL52 latency at 1.1 V
  • Registered ECC design corrects single-bit errors automatically
  • 2Rx8 dual-rank layout fully populates every slot
  • 288-pin RDIMM form factor matches Supermicro H14DSG-OM requirements

Exact-match server upgrade

This kit delivers 512 GB of DDR5 memory across 16 registered ECC RDIMMs, each rated at 6400 MT/s with CL52 timing and 1.1 V operation. It is built specifically for systems that require the full 16-module population at the rated speed without manual tuning.

Build integration and slot fitment

The 288-pin RDIMM form factor matches the Supermicro H14DSG-OM motherboard's registered memory slots, so no UDIMM or SODIMM alternatives will work. Filling all channels with 2Rx8 modules offloads the memory controller and enables the full 512 GB capacity for virtualisation or database workloads.

Thermals and power in normal use

Operating at the standard 1.1 V DDR5 voltage keeps power draw predictable across all 16 modules during sustained server loads. The bare-module design relies on chassis airflow rather than integrated heat spreaders, so adequate case ventilation is required to maintain stable temperatures.

How it compares

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

Price $19,966.99
Pricier than about 91% of the 21,161 comparable items (median $397.99).
Total capacity 512 GB (16 × 32 GB)
Higher than about 90% of the 20,941 comparable items (median 32 GB).
Price per GB $39.00 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 numberMR51200-328K16
Total capacity512 GB (16 × 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 items512 GB 16 × 32 GB DDR5 6400 MHz PC5-51200 2Rx8 1.1 V 288-PIN ECC RDIMM KIT

Questions about this item

Will the 1.1V voltage stay stable when all 16 slots run at DDR5-6400 continuously?

Registered RDIMM design buffers every load on the memory controller, keeping 1.1V steady across all 16 modules at full DDR5-6400 speed.

How much heat and noise should I expect from the 16-module kit in a fully populated server?

Bare modules without heat spreaders run silently; total power draw stays low at 1.1V, so airflow from existing chassis fans is normally sufficient.

Does the Supermicro H14DSG-OM need a specific BIOS revision or CPU stepping to recognise all 512GB?

The kit is spec-matched to the H14DSG-OM motherboard; consult the board manual for approved population order and any BIOS updates before installing.

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