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Sixteen green DDR5 RDIMM modules in a row, bare chips, gold contacts, no heat spreaders

NEMIX RAM

NEMIX RAM 768GB (16×48GB) DDR5 6400 CL52 2Rx8 ECC Registered RDIMM memory upgrade

SKU CH-W0B7-DFT94

768 GB DDR5 server kit with sixteen 48 GB registered ECC RDIMMs at 6400 MT/s, CL52 and 1.10 V for Supermicro H14DSG-OD

  • Total capacity768 GB (16 × 48 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • 768 GB total capacity from 16 matched 48 GB modules
  • DDR5 6400 speed with CL52 latency for rated server performance
  • Registered ECC design corrects single-bit errors and offloads the memory controller
  • 10 V operation at 2Rx8 rank matches the motherboard's exact voltage and rank requirements
  • 288-pin RDIMM form factor verified for Supermicro H14DSG-OD motherboard compatibility

Exact-match DDR5 upgrade kit

This 768GB kit delivers 16 registered ECC DDR5 RDIMMs at 48GB each, built to the precise rank, voltage and timing the Supermicro H14DSG-OD motherboard expects. It is intended for administrators who must populate every slot at full capacity without compatibility guesswork.

Thermals and power at rated speed

Modules run at 1.1V with a CL52 latency profile at DDR5 6400, keeping power draw low across a fully loaded chassis. No heat spreaders are fitted, so airflow through the server’s standard ducting handles cooling without added acoustic load.

Build integration and constraints

The 288-pin registered form factor matches the board’s required DIMM type; UDIMM or SODIMM modules will not fit. Population order and maximum supported capacity vary by BIOS revision, so the system manual must be consulted before installation. Builders needing unbuffered memory or a different pin count cannot use this kit.

How it compares

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

Price $17,930.99
Pricier than about 91% of the 21,161 comparable items (median $397.99).
Total capacity 768 GB (16 × 48 GB)
Higher than about 92% of the 20,941 comparable items (median 32 GB).
Price per GB $23.35 per GB
Pricier than about 68% 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 numberMR51200-4828K16
Total capacity768 GB (16 × 48 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 items768 GB 16 × 48 GB DDR5 6400 MHz PC5-51200 2Rx8 1.1 V 288-PIN ECC RDIMM KIT

Questions about this item

How do I install the 16 DDR5 48GB RDIMMs in the Supermicro H14DSG-OD and which population step is most often missed?

Follow the motherboard manual's exact slot order for all 16 slots; the step most often missed is skipping the prescribed population sequence when not every socket is filled, which prevents the system from recognising the full 768GB at DDR5-6400.

What maintenance or replacement will the 2Rx8 registered ECC modules need over time?

The modules have no heat spreaders and no moving parts, so no scheduled maintenance is required; replacement only occurs if a module fails, which is covered by the lifetime replacement warranty.

What is the first limit reached when all 16 slots run sustained workloads at 6400 MT/s?

The memory controller's maximum supported capacity and population rules are the first limit; the board must support 768GB of 2Rx8 registered DDR5 at 1.1V to sustain the rated speed across every slot.

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