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Twelve green DDR5 RDIMM modules in a row, bare chips, no heat spreaders

NEMIX RAM

NEMIX RAM 1.1TB DDR5 4800 CL40 12x96GB ECC RDIMM Supermicro H14DSG-OD memory upgrade

SKU CH-9QAG-RWPVK

1.1 TB DDR5-4800 ECC registered RDIMM kit (12 × 96 GB, CL40, 1.1 V) validated for the Supermicro H14DSG-OD motherboard

  • Total capacity1.1 TB (12 × 96 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 1.1TB 12X96GB

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  • 1 TB total capacity across 12 modules of 96 GB each
  • DDR5-4800 speed with CL40 latency for rated server performance
  • Registered ECC design corrects single-bit errors and offloads the memory controller
  • 10 V operation at 2Rx4 rank matches the motherboard memory controller
  • 288-pin RDIMM form factor fits the Supermicro H14DSG-OD board exactly

Supermicro H14DSG-OD memory upgrade

This 1.1TB kit contains twelve 96GB DDR5 RDIMMs built to the exact electrical specification of the Supermicro H14DSG-OD motherboard. It is intended for administrators who must populate every slot at full capacity with registered ECC modules. Buyers who need unbuffered UDIMMs or a smaller total capacity cannot use this kit.

Thermals noise and power draw

Each module operates at the standard DDR5 voltage of 1.10V without a heat spreader, relying on server chassis airflow for cooling. Registered buffering reduces electrical load on the memory controller when all twelve slots are filled. The kit draws power within the board's rated limits for fully populated DDR5 operation.

CL40 2Rx4 registered ECC specification

The combination of CL40 latency, 2Rx4 rank structure and registered ECC at 4800 MT/s is the single parameter set the H14DSG-OD memory controller expects for full-speed recognition. Deviating from any of these values will prevent the system from booting at the rated frequency or from detecting the full 1.1TB capacity.

How it compares

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

Price $29,289.99
Pricier than about 93% of the 21,161 comparable items (median $397.99).
Total capacity 1.1 TB (12 × 96 GB)
Higher than about 94% of the 20,941 comparable items (median 32 GB).
Price per GB $26.63 per GB
Pricier than about 74% 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 numberMR38400-9624K12
Total capacity1.1 TB (12 × 96 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 rank2Rx4
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items1.1 TB 12 × 96 GB DDR5 4800 MHz PC5-38400 2Rx4 1.1 V 288-PIN ECC RDIMM KIT

Other versions of this model

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Questions about this item

How do I install the 12 DDR5 RDIMMs in the Supermicro H14DSG-OD, and which slot order is most often missed?

Follow the motherboard manual for the exact DIMM population sequence; the 2Rx4 registered modules must fill slots in the prescribed order so the memory controller recognises the full 1.1TB capacity at DDR5-4800.

What maintenance or replacement will this memory kit need over its service life?

The modules have no heat spreaders and no moving parts; ECC corrects single-bit errors automatically, so no scheduled maintenance is required beyond standard server dust cleaning.

What limit appears first when the 1.1TB kit runs sustained workloads at CL40?

The registered DDR5-4800 CL40 timing and 1.10V voltage define the thermal and signal-integrity ceiling; sustained full-capacity loads will hit the controller's thermal throttle point before bandwidth saturates.

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