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Four green DDR5 RDIMM modules in anti-static tray

NEMIX RAM

NEMIX RAM DDR5 ECC RDIMM 128GB 4x32GB 4800MHz CL40 1.1V 2Rx8 Supermicro H14DSH

SKU CH-2CSW-9JFHR

128 GB DDR5 registered ECC kit in four 32 GB modules at 4800 MHz CL40 1.1 V for Supermicro H14DSH

  • Total capacity128 GB (4 × 32 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 128GB 4X32GB

Show 30 more
  • 128 GB capacity from four 32 GB modules for dense server workloads
  • DDR5 4800 MHz speed with CL40 latency for rated throughput
  • ECC and registered design corrects errors and stabilises fully populated slots
  • 10 V operation matches the motherboard's voltage requirement
  • 288-pin RDIMM form factor fits the Supermicro H14DSH memory slots

128GB DDR5 ECC RDIMM Kit for Supermicro H14DSH

This 128GB kit contains four 32GB DDR5-4800 Registered ECC modules built to the exact rank, voltage and timing the Supermicro H14DSH memory controller expects. It is intended for administrators who need maximum capacity on this specific platform without trial-and-error compatibility testing.

Installation Notes and Common Pitfalls

The modules use the 288-pin RDIMM form factor required by the board; UDIMM or SODIMM variants will not fit or function. Follow the motherboard manual for approved population order because fully populated channels can fail to train if slots are filled incorrectly.

Capacity Headroom and Limits

Four dual-rank modules deliver 128GB at the rated 4800MHz CL40 speed with 1.1V operation. Headroom exists for workloads that scale within this capacity, but the kit cannot exceed the board's maximum supported memory or populate additional slots beyond the four provided.

How it compares

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

Price $3,420.99
Pricier than about 74% of the 21,161 comparable items (median $397.99).
Total capacity 128 GB (4 × 32 GB)
Higher than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $26.73 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 numberMR38400-328K4
Total capacity128 GB (4 × 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 items128 GB 4 × 32 GB DDR5 4800 MHz PC5-38400 2Rx8 1.1 V 288-PIN ECC RDIMM KIT

Other versions of this model

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Questions about this item

How do I confirm the kit is running at DDR5 4800 CL40 1.1V after installation?

Check the BIOS memory information or a tool such as CPU-Z; it should report DDR5 4800 (PC5-38400), CAS latency 40, voltage 1.1V, and all four 32 GB modules recognised for a total of 128 GB.

What comes in the box and is anything else required?

The package contains the 128 GB kit as four 32 GB 288-pin DDR5 RDIMM modules; no heat spreaders or extra cables are included and nothing else is needed for installation.

Should I choose this 4×32 GB kit or a different capacity for the Supermicro H14DSH?

This exact-match 4×32 GB kit (part number MR38400-328K4) is validated for the H14DSH; other capacities or rank configurations are not confirmed compatible.

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