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Twelve green DDR5 RDIMM modules in a row

NEMIX RAM

NEMIX RAM 1.5TB (12 x 128GB) DDR5 4800 CL40 ECC Registered RDIMM memory upgrade for Supermicro H13DSH

SKU CH-KQDR-6VWWB

1.5 TB kit of twelve 128 GB DDR5 4800 CL40 registered ECC RDIMMs at 1.1 V, validated for Supermicro H13DSH servers

  • Total capacity1.5 TB (12 × 128 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 1.5TB 12X128GB

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  • Massive 1.5TB capacity with twelve 128GB modules
  • DDR5-4800 speed rated at PC5-38400 bandwidth
  • CL40 latency at 1.1V for efficient operation
  • Registered ECC design prevents silent data corruption
  • Verified compatible with Supermicro H13DSH motherboard

Capacity and purpose

This 1.5TB kit provides twelve 128GB DDR5 RDIMMs for the Supermicro H13DSH motherboard. It targets administrators who must populate every slot with registered ECC memory at the controller's rated speed.

Thermals noise power

Modules operate at 1.1V without heat spreaders, relying on server chassis airflow for cooling. Registered buffering reduces electrical load on the memory controller when all twelve slots are filled.

Build fit

The 288-pin RDIMM form factor matches the board's required slot type; UDIMM or SODIMM modules will not fit. Buyers must verify the motherboard manual for supported population order and maximum capacity per socket before installation.

How it compares

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

Price $44,990.99
Pricier than about 95% of the 21,161 comparable items (median $397.99).
Total capacity 1.5 TB (12 × 128 GB)
Higher than about 97% of the 20,941 comparable items (median 32 GB).
Price per GB $29.99 per GB
Pricier than about 85% 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 numberMR38400-724K12
Total capacity1.5 TB (12 × 128 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 items1.5 TB 12 × 128 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 H13DSH and what step is often missed?

Populate all 12 slots following the motherboard manual's exact DIMM population order; the step most often missed is verifying the 2Rx4 registered modules are seated in the approved sequence so the controller recognises the full 1.5TB at DDR5-4800.

What maintenance or replacement will this 12 x 128GB DDR5 kit need over its service life?

No scheduled maintenance is required; the modules carry a lifetime replacement warranty, so any failed DIMM is swapped rather than serviced, and the registered ECC design continues correcting single-bit errors without user intervention.

What limit appears first when the 1.5TB DDR5 4800 CL40 kit runs sustained workloads on the H13DSH?

The memory controller's maximum supported capacity and population rules are the first limit; with 12 slots filled at 2Rx4 registered DDR5-4800 1.1V you reach the board's full 1.5TB ceiling before bandwidth or thermal constraints become binding.

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