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Eight green DDR5 RDIMM modules in anti-static tray

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

  • Capacity256GB (8 x 32GB)
  • Type288-Pin DDR5 RDIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.10V
  • ECCYes

Size 256GB 8X32GB

Show 30 more configurations
  • 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.

Highlights

  • 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

Specifications

BrandNEMIX RAM
SeriesNEMIX RAM Original Series Server Memory
ModelDDR5 ECC RDIMM Registered Server Memory
Part NumberMR38400-328K8
Capacity256GB (8 x 32GB)
Type288-Pin DDR5 RDIMM
SpeedDDR5 4800 (PC5 38400)
CAS LatencyCL40
Voltage1.10V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx8
ChipsetMajor OEM Samsung, Micron, Hynix
Heat SpreaderNo
Compatible SystemSupermicro
FeaturesDDR5 ECC RDIMM Motherboard Compatible
Package Content256GB 8X32GB DDR5 4800MHz PC5-38400 2Rx8 1.1V 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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