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Twelve green DDR5 RDIMM modules without heat spreaders, 192GB kit

NEMIX RAM

NEMIX RAM DDR5-6400 192GB 12x16GB ECC RDIMM CL52 1.1V Supermicro H14DSG-O-CPU

SKU CH-BA6A-8EY5N

192 GB server kit with twelve 16 GB DDR5-6400 ECC registered RDIMMs at CL52 and 1.1 V for the Supermicro H14DSG-O-CPU motherboard

  • Total capacity192 GB (12 × 16 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • 192 GB capacity from twelve 16 GB modules for maximum server density
  • DDR5-6400 speed with CL52 latency delivers rated throughput on Supermicro H14DSG-O-CPU
  • Registered ECC RDIMM architecture offloads the controller and corrects single-bit errors
  • 1 V operation at 1Rx8 rank matches the board's memory controller expectations
  • 288-pin RDIMM form factor fits the required motherboard slots exactly

192GB DDR5-6400 ECC RDIMM kit

This 192GB kit contains twelve 16GB DDR5-6400 modules built to PC5-51200 specification. Registered ECC architecture with 1Rx8 organisation and CL52 latency at 1.1V matches the memory controller requirements of the Supermicro H14DSG-O-CPU motherboard. It is intended for server administrators who need maximum verified capacity on this platform.

DDR5 RDIMM population constraints

DDR5 Registered DIMMs use a 288-pin interface that is mechanically incompatible with UDIMM or SODIMM slots. The registered buffer allows all twelve slots to be populated simultaneously at the rated 6400MT/s speed, but the motherboard manual dictates the exact population order and any per-channel limits. Buyers who need a different capacity or rank configuration cannot use this fixed 12×16GB kit.

Build and daily handling

Modules ship without heat spreaders, relying on chassis airflow for cooling in dense server configurations. The 288-pin RDIMM keying prevents accidental insertion into consumer boards, and the registered design keeps electrical loading low even with every slot filled. Technicians should follow the board’s documented installation sequence to avoid recognition errors during bring-up.

How it compares

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

Price $5,868.99
Pricier than about 81% of the 21,161 comparable items (median $397.99).
Total capacity 192 GB (12 × 16 GB)
Higher than about 75% of the 20,941 comparable items (median 32 GB).
Price per GB $30.57 per GB
Pricier than about 87% of the 20,941 comparable items (median $8.19 per GB).

New to this? Buying memory and SSDs with crypto — what to check, what it costs to pay, and what is never asked for.

Specifications

Product
Brand nameNEMIX RAM
Product lineNEMIX RAM Original Series Server Memory
Model nameDDR5 ECC RDIMM Registered Server Memory
Part numberMR51200-618K12
Total capacity192 GB (12 × 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 items192 GB 12 × 16 GB DDR5 6400 MHz PC5-51200 1Rx8 1.1 V 288-PIN ECC RDIMM KIT

Questions about this item

Should I choose the 12-module 192GB kit or a smaller capacity for my Supermicro H14DSG-O-CPU?

The 12 x 16GB kit fills all available slots on the H14DSG-O-CPU, delivering the maximum 192GB capacity at DDR5-6400 with 1Rx8 registered ECC modules.

What does the DDR5-6400 rating mean once the kit is installed in the Supermicro H14DSG-O-CPU?

The modules will run at 6400 MT/s (PC5-51200) with CL52 latency at 1.1V, provided the motherboard's memory controller supports that speed with a full 12-DIMM population.

How does the 288-pin RDIMM interface affect performance on this motherboard?

The registered 288-pin RDIMM format buffers address and command signals, allowing all 12 slots to operate at the rated DDR5-6400 speed while ECC corrects single-bit errors.

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