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Green printed circuit board with black memory chips and gold edge connector

NEMIX RAM

NEMIX RAM DDR5 128GB 4800MHz CL40 2Rx4 1.1V ECC RDIMM Supermicro H14DSG-OM memory upgrade

SKU CH-8WGG-VPB5R

128 GB DDR5 ECC registered RDIMM running at 4800 MHz with CL40 latency and 1.1 V operation, validated for Supermicro H14DSG-OM servers

  • Capacity128GB
  • Type288-Pin DDR5 RDIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.10V
  • ECCYes

Size 128GB

Show 30 more configurations
  • 128GB DDR5 capacity fills the Supermicro H14DSG-OM to its rated limit
  • Registered ECC architecture corrects single-bit errors to prevent silent data corruption
  • 4800MHz CL40 timing matches the memory controller spec for full-speed operation
  • 1V DDR5 voltage reduces power draw while maintaining enterprise stability
  • 288-pin RDIMM form factor fits the board's exact slot and population rules

Exact-match DDR5 RDIMM for Supermicro H14DSG-OM

This 128GB DDR5 4800MHz CL40 ECC Registered RDIMM is built to the precise rank, voltage and timing the Supermicro H14DSG-OM memory controller expects. The 2Rx4 organization, 1.10V operation and 288-pin registered form factor allow the board to recognise full capacity and run at rated speed. It serves administrators who need a single verified module for that platform.

Replaces mismatched or slower DDR5 modules

When an existing module uses a different rank layout, voltage or CAS latency the server may downclock, refuse to post or only populate partial capacity. Swapping to this spec-matched RDIMM removes those population-rule conflicts and restores the full 128GB at DDR5-4800. The jump is worth it when the current configuration cannot reach the board's rated memory speed or capacity.

DDR5 RDIMM practical limits

Registered ECC architecture offloads the memory controller so every slot can run fully populated at full capacity while ECC corrects single-bit errors on the fly. The DDR5 interface itself caps module speed at 4800 MT/s for this generation, so bandwidth scales only by adding more channels or modules within the motherboard's supported population order. Maximum capacity per slot and total system memory remain bound by the board's qualified-vendor list.

Highlights

  • 128GB DDR5 capacity fills the Supermicro H14DSG-OM to its rated limit
  • Registered ECC architecture corrects single-bit errors to prevent silent data corruption
  • 4800MHz CL40 timing matches the memory controller spec for full-speed operation
  • 1V DDR5 voltage reduces power draw while maintaining enterprise stability
  • 288-pin RDIMM form factor fits the board's exact slot and population rules

Specifications

BrandNEMIX RAM
SeriesNEMIX RAM Original Series Server Memory
ModelDDR5 ECC RDIMM Registered Server Memory
Part NumberMR38400-724K1
Capacity128GB
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 Content128GB DDR5 4800MHz PC5-38400 2Rx4 1.1V 288-PIN ECC RDIMM KIT

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Questions about this item

Will the 288-pin DDR5 RDIMM fit the Supermicro H14DSG-OM motherboard slots?

Yes, the 288-pin Registered DDR5 RDIMM form factor matches the slots on the Supermicro H14DSG-OM motherboard.

What is the correct way to install this 2Rx4 ECC Registered module, and what step is often missed?

Power off the server, open the chassis, align the module notch with the slot key, press firmly until both retention clips click, then verify the population order in the motherboard manual for your specific CPU configuration.

Does this 128GB DDR5 4800MHz CL40 kit need any firmware updates or battery replacements over its service life?

No firmware updates or battery replacements are required for the DDR5 RDIMM itself; ECC error correction operates automatically once the module is seated and recognised by the memory controller.

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