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Twelve green DDR5 RDIMM modules in a row

NEMIX RAM

NEMIX RAM DDR5 4800 ECC RDIMM 384GB 12x32GB CL40 1.1V 2Rx8 Supermicro H14DSG-O-CPU memory upgrade

SKU CH-N0ME-F73PD

384 GB DDR5 4800 ECC registered RDIMM kit with twelve 32 GB modules at 1.1 V CL40, validated for Supermicro H14DSG-O-CPU motherboards

  • Capacity384GB (12 x 32GB)
  • Type288-Pin DDR5 RDIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.10V
  • ECCYes

Size 384GB 12X32GB

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  • 384GB total capacity across twelve 32GB modules enables maximum memory density
  • DDR5 4800 speed with CL40 latency delivers rated bandwidth for server workloads
  • Registered ECC architecture offloads the controller and corrects single-bit errors on the fly
  • 10V operation at 2Rx8 rank matches the motherboard's exact voltage and timing requirements
  • 288-pin RDIMM form factor fits the Supermicro H14DSG-O-CPU motherboard's memory slots

Exact-match server kit

This 384GB kit contains twelve 32GB DDR5-4800 RDIMM modules built for the Supermicro H14DSG-O-CPU motherboard. Each module is a 2Rx8 registered ECC DIMM running at 1.1V with CL40 timing. The spec matches the board's memory controller so the full capacity is recognised at rated speed.

Thermals and power

The modules operate at the standard DDR5 voltage of 1.1V and have no heat spreader, relying on server chassis airflow for cooling. Registered buffering reduces electrical load on the memory controller when all slots are populated. Power draw scales with the twelve-module configuration under typical server workloads.

Build and daily use

Bare green PCBs with 288-pin gold contacts fit the board's RDIMM slots directly; no UDIMM or SODIMM alternative will seat correctly. ECC corrects single-bit errors on the fly to prevent silent data corruption. Population order must follow the motherboard manual for stable operation across all channels.

Highlights

  • 384GB total capacity across twelve 32GB modules enables maximum memory density
  • DDR5 4800 speed with CL40 latency delivers rated bandwidth for server workloads
  • Registered ECC architecture offloads the controller and corrects single-bit errors on the fly
  • 10V operation at 2Rx8 rank matches the motherboard's exact voltage and timing requirements
  • 288-pin RDIMM form factor fits the Supermicro H14DSG-O-CPU motherboard's memory slots

Specifications

BrandNEMIX RAM
SeriesNEMIX RAM Original Series Server Memory
ModelDDR5 ECC RDIMM Registered Server Memory
Part NumberMR38400-328K12
Capacity384GB (12 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 Content384GB 12X32GB DDR5 4800MHz PC5-38400 2Rx8 1.1V 288-PIN ECC RDIMM KIT

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Questions about this item

How do I install the 12 DDR5 RDIMMs into the Supermicro H14DSG-O-CPU and which population step is most often missed?

Power down the server, open the chassis, and insert each 288-pin module into the slots listed in the motherboard manual following the exact population order; the step most often missed is skipping the required sequence for 12 modules, which prevents the system from recognising the full 384 GB capacity.

What maintenance or replacement will the 384 GB DDR5 ECC RDIMM kit need over its service life?

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

What is the first limit reached when the 12x32 GB DDR5-4800 CL40 kit runs sustained workloads on the H14DSG-O-CPU?

The memory controller hits its maximum supported DDR5-4800 transfer rate and 384 GB total capacity, so neither speed nor capacity can be exceeded without changing the platform.

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