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Twelve green DDR5 RDIMM modules in a row

NEMIX RAM

NEMIX RAM 768GB 12x64GB DDR5 4800 ECC RDIMM Server Memory Upgrade

SKU CH-G6KP-HDGF6

768 GB DDR5 ECC registered server memory kit with twelve 64 GB RDIMMs at 4800 MHz, CL40, 1.1 V, 2Rx4, validated for Supermicro H13DSG-OM

  • Total capacity768 GB (12 × 64 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 768GB 12X64GB

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  • 768 GB total capacity from twelve 64 GB modules for maximum server density
  • DDR5 4800 speed with CL40 latency runs at rated performance on the memory controller
  • Registered ECC architecture corrects single-bit errors and supports full population stability
  • 10 V operating voltage matches the board's DDR5 power specification exactly
  • 288-pin RDIMM form factor fits the Supermicro H13DSG-OM motherboard slots directly

Exact-Match DDR5 Kit for Supermicro H13DSG-OM

This 768GB kit contains twelve 64GB DDR5 4800 RDIMMs built to the precise rank, voltage and timing the Supermicro H13DSG-OM motherboard expects. Registered ECC architecture allows every slot to run fully populated at rated speed while correcting single-bit errors on the fly. It is intended for administrators upgrading that specific platform.

Thermals Noise and Power Draw

Modules operate at 1.1V without heat spreaders, relying on server chassis airflow for cooling. Registered buffering reduces electrical load on the memory controller, keeping power draw predictable across all twelve slots. No active cooling components are present so acoustic output depends entirely on the system fans.

Upgrade Path and When It Makes Sense

The kit replaces smaller-capacity DDR5 RDIMM sets or fills empty slots on the H13DSG-OM to reach the board's maximum supported density. The jump is worth it when workloads demand the full 768GB at native 4800 MT/s with ECC protection. Buyers needing a different form factor, speed or non-ECC memory cannot use this product.

How it compares

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

Price $21,580.99
Pricier than about 91% of the 21,161 comparable items (median $397.99).
Total capacity 768 GB (12 × 64 GB)
Higher than about 92% of the 20,941 comparable items (median 32 GB).
Price per GB $28.10 per GB
Pricier than about 79% 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 numberMR38400-924K12
Total capacity768 GB (12 × 64 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 items768 GB 12 × 64 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 12 288-pin RDIMM modules in the Supermicro H13DSG-OM and which population step is most often missed?

Follow the motherboard manual for the exact slot-filling sequence; the step most often missed is populating all twelve slots in the prescribed order so the memory controller recognises the full 768 GB at DDR5 4800.

What maintenance or replacement will the 2Rx4 registered ECC kit need over its service life?

The modules have no moving parts and require no scheduled maintenance; replacement is only necessary if a DIMM fails, at which point the lifetime warranty covers a swap.

What limit appears first when the 768 GB kit runs sustained workloads at 1.1 V?

The registered buffer and ECC logic keep every slot stable at the rated DDR5 4800 speed, so the first limit encountered is the motherboard's maximum supported capacity rather than a memory thermal or voltage ceiling.

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