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NEMIX RAM

NEMIX RAM DDR5 256GB (8x32GB) 4800MHz CL40 ECC Registered RDIMM Supermicro H14DSG-OD memory upgrade

SKU CH-VQHH-JMYG5

Eight 32 GB DDR5 modules deliver 256 GB of registered ECC memory at 4800 MHz CL40 1.1 V for the Supermicro H14DSG-OD

  • Total capacity256 GB (8 × 32 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • 256 GB total capacity from eight 32 GB modules for maximum server density
  • DDR5 4800 MT/s PC5-38400 speed runs at the board's rated frequency
  • CL40 CAS latency at 1.1 V matches the controller's exact timing requirements
  • Registered ECC 2Rx8 architecture offloads the memory controller and corrects single-bit errors
  • 288-pin RDIMM form factor verified for Supermicro H14DSG-OD motherboard fitment

Server memory kit for Supermicro H14DSG-OD

This 256GB kit contains eight 32GB DDR5 registered DIMMs built for the Supermicro H14DSG-OD motherboard. It targets administrators who need to populate every slot with ECC protected memory that the platform recognises at full capacity. The modules are new and ship as a matched set. Buyers who need unbuffered UDIMMs or laptop SODIMMs cannot use this kit.

Registered ECC with 2Rx8 organisation

The decisive specification is the 2Rx8 registered ECC layout running at DDR5-4800 (PC5-38400) with CL40 timing at 1.1V. This exact rank, voltage and latency combination is what the board's memory controller expects for stable operation at rated speed. Any deviation in rank structure or buffering type will prevent the system from posting or will force a lower speed.

Straightforward DIMM installation

Installation follows the standard 288-pin RDIMM procedure: power down, open the chassis, align the notch, and press firmly until the latches click. The most common issue is ignoring the motherboard's population sequence, which can leave capacity unrecognised or cause training failures. Consult the Supermicro manual for the approved slot order before seating all eight modules.

How it compares

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

Price $7,275.99
Pricier than about 83% of the 21,161 comparable items (median $397.99).
Total capacity 256 GB (8 × 32 GB)
Higher than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $28.42 per GB
Pricier than about 80% 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 numberMR38400-328K8
Total capacity256 GB (8 × 32 GB)
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 4800 (PC5 38400)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL40
ECC supportYes
Buffer typeRegistered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items256 GB 8 × 32 GB DDR5 4800 MHz PC5-38400 2Rx8 1.1 V 288-PIN ECC RDIMM KIT

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Questions about this item

Will the DDR5-4800 speed run at full data rate on my Supermicro H14DSG-OD?

The kit is spec-matched to the board's memory population rules, so the controller recognises all eight modules and operates them at the rated 4800 MT/s.

What does the 288-pin RDIMM form factor require from the motherboard slots?

The board must provide 288-pin DDR5 RDIMM slots; this module will not fit UDIMM or SODIMM sockets.

How much clearance does the module need above the DIMM slots?

No heat spreader is fitted, so the modules sit at standard RDIMM height and clear typical server chassis lids.

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