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Twelve green DDR5 RDIMM modules without heat spreaders in a kit

NEMIX RAM

NEMIX RAM 384GB 12x32GB DDR5 4800MHz CL40 ECC RDIMM Supermicro H13DSH

SKU CH-72E6-R6WAW

A 384 GB DDR5 kit of twelve 32 GB registered ECC RDIMMs at 4800 MHz CL40 1.1 V, validated for the Supermicro H13DSH motherboard

  • Total capacity384 GB (12 × 32 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 384GB 12X32GB

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  • 384 GB total capacity from a 12-module kit of 32 GB each
  • DDR5-4800 speed with CL40 latency matches the board's rated timing
  • Registered ECC design corrects single-bit errors and supports full-slot population
  • 1 V operation at 2Rx8 rank aligns with the memory controller's expectations
  • 288-pin RDIMM form factor is the exact type the Supermicro H13DSH requires

Capacity and Compatibility

This 384GB kit contains twelve 32GB DDR5 registered ECC RDIMMs built for the Supermicro H13DSH motherboard. The 2Rx8 rank structure and 1.1V operating voltage match the board's memory controller requirements so all slots can be populated at the rated 4800MHz speed. It is not suited for systems that require unbuffered UDIMMs or SODIMM form factors.

Thermals and Power

Modules operate at 1.1V with CL40 latency and no integrated heat spreader, relying on server chassis airflow for cooling. Registered buffering reduces electrical load on the memory controller when every slot is filled, helping maintain stable operation at full capacity. Power draw scales with the number of installed modules and workload intensity.

Build and Installation

Each 288-pin RDIMM uses major OEM chips from Samsung, Micron or Hynix and follows the exact population rules documented for the H13DSH platform. The registered design and on-die ECC correct single-bit errors in flight, protecting data integrity in production environments. Verify the motherboard manual for approved DIMM slot order before installation.

How it compares

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

Price $11,411.99
Pricier than about 89% of the 21,161 comparable items (median $397.99).
Total capacity 384 GB (12 × 32 GB)
Higher than about 85% of the 20,941 comparable items (median 32 GB).
Price per GB $29.72 per GB
Pricier than about 84% 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 numberMR38400-328K12
Total capacity384 GB (12 × 32 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 rank2Rx8
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items384 GB 12 × 32 GB DDR5 4800 MHz PC5-38400 2Rx8 1.1 V 288-PIN ECC RDIMM KIT

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Questions about this item

How do I install the 12 DDR5 RDIMM modules in the Supermicro H13DSH, and what population step is often missed?

Populate all 12 slots following the motherboard manual's exact DIMM sequence; the step often missed is matching the 2Rx8 rank layout to the approved channel order so the controller recognises the full 384GB at DDR5-4800.

What maintenance or replacement will the 2Rx8 registered ECC kit need over its service life?

No routine maintenance is required; ECC corrects single-bit errors automatically, and the registered buffer reduces electrical load, so the modules typically run until a firmware update or capacity change prompts a swap.

What limit appears first when the 384GB kit runs sustained workloads at CL40 1.1V?

The DDR5-4800 CL40 timing and 1.1V voltage set the throughput ceiling; sustained use hits the rated latency and bandwidth envelope before thermal or power limits become binding.

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