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Six green DDR5 RDIMM modules in a clear tray, each with black chips and gold edge connectors

NEMIX RAM

NEMIX RAM DDR5 4800 ECC RDIMM 768GB 6x128GB CL40 1.1V Supermicro H14DSG-OD memory upgrade

SKU CH-DVY0-DSP4Q

Six 128 GB DDR5 registered ECC RDIMMs at 4800 MT/s CL40 1.1 V validated for the Supermicro H14DSG-OD motherboard

  • Capacity768GB (6 x 128GB)
  • Type288-Pin DDR5 RDIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.10V
  • ECCYes

Size 768GB 6X128GB

Show 30 more configurations
  • 768 GB total capacity from six 128 GB modules
  • DDR5-4800 speed with CL40 latency for rated throughput
  • Registered ECC design offloads controller and corrects single-bit errors
  • 1 V operation matches server memory-controller requirements
  • 288-pin RDIMM form factor verified for Supermicro H14DSG-OD

Exact-match DDR5 upgrade kit

This 768GB kit contains six 128GB DDR5-4800 RDIMMs built to the precise rank, voltage and timing the Supermicro H14DSG-OD memory controller expects. Registered ECC architecture with 2Rx4 organisation lets every slot run fully populated at rated speed. It targets administrators who need maximum capacity in a validated configuration.

Thermals noise and power

Modules operate at 1.1V without heat spreaders relying on standard server airflow for cooling. Registered buffering reduces electrical load on the memory controller helping keep system power draw predictable. No moving parts means the kit adds no acoustic noise to the chassis.

Build integration needs

The 288-pin RDIMM form factor matches the board's DIMM slots exactly — not UDIMM or SODIMM. Populating all channels requires following the motherboard manual for approved population order and capacity limits. Buyers needing a different total capacity or a non-registered module cannot use this kit.

Highlights

  • 768 GB total capacity from six 128 GB modules
  • DDR5-4800 speed with CL40 latency for rated throughput
  • Registered ECC design offloads controller and corrects single-bit errors
  • 1 V operation matches server memory-controller requirements
  • 288-pin RDIMM form factor verified for Supermicro H14DSG-OD

Specifications

BrandNEMIX RAM
SeriesNEMIX RAM Original Series Server Memory
ModelDDR5 ECC RDIMM Registered Server Memory
Part NumberMR38400-724K6
Capacity768GB (6 x 128GB)
Type288-Pin DDR5 RDIMM
SpeedDDR5 4800 (PC5 38400)
CAS LatencyCL40
Voltage1.10V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
ChipsetMajor OEM Samsung, Micron, Hynix
Heat SpreaderNo
Compatible SystemSupermicro
FeaturesDDR5 ECC RDIMM Motherboard Compatible
Package Content768GB 6X128GB DDR5 4800MHz PC5-38400 2Rx4 1.1V 288-PIN ECC RDIMM KIT

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Questions about this item

How do I install the 6x128GB DDR5 4800 RDIMM kit into the Supermicro H14DSG-OD and which population step is often missed?

Follow the motherboard manual for the exact DIMM population order; the 288-pin Registered ECC modules must fill the approved slots in sequence so the memory controller recognises the full 768GB at DDR5-4800 CL40 1.1V.

What maintenance or replacement will the 768GB DDR5 ECC RDIMM kit need over its service life?

No scheduled maintenance is required; the Registered ECC design corrects single-bit errors on the fly, and the modules are covered by a lifetime replacement warranty if a DIMM ever fails.

What limit appears first when the 6x128GB DDR5-4800 kit runs sustained workloads on the H14DSG-OD?

The memory controller’s maximum supported capacity and population rules are the first ceiling; once the approved 768GB 2Rx4 configuration is installed, the kit operates at its rated 4800 MT/s CL40 without further throttling.

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