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Eight green DDR5 RDIMM modules in a row

NEMIX RAM

NEMIX RAM 128GB 8x16GB DDR5 4800 CL40 ECC RDIMM Supermicro H14SHM memory upgrade

SKU CH-X441-2CNQF

Eight-module 128GB DDR5 4800MHz ECC registered RDIMM kit validated for Supermicro H14SHM motherboards

  • Total capacity128 GB (8 × 16 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 128GB 8X16GB

Show 24 more
  • 128 GB total capacity from eight 16 GB modules
  • DDR5 4800 speed with CL40 latency for rated performance
  • ECC registered design corrects single-bit errors automatically
  • 1 V operation matches the board's voltage requirement
  • 288-pin RDIMM form factor fits the Supermicro H14SHM motherboard

Exact-fit DDR5 RDIMM kit

This NEMIX RAM kit delivers 128GB across eight 16GB DDR5-4800 Registered ECC modules built to the Supermicro H14SHM motherboard's exact specifications. Each 288-pin RDIMM operates at 1.1V with CL40 latency and 1Rx8 organisation, matching the memory controller's expectations for full-capacity recognition at rated speed.

Replaces partial or mismatched sets

The kit upgrades systems running with fewer populated slots, slower DDR5 speeds or unbuffered memory that cannot address the full 128GB configuration. The jump is worthwhile when your workloads need every channel filled with registered ECC modules to maintain stability under sustained server loads.

Verify population rules first

Check your H14SHM manual for approved DIMM slot order, maximum supported capacity per channel and any BIOS version requirements before installing all eight modules. Confirm the board accepts 1Rx8 Registered ECC RDIMMs at DDR5-4800 and that your chassis provides clearance for the full eight-module array.

How it compares

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

Price $3,445.99
Pricier than about 74% of the 21,161 comparable items (median $397.99).
Total capacity 128 GB (8 × 16 GB)
Higher than about 70% of the 20,941 comparable items (median 32 GB).
Price per GB $26.92 per GB
Pricier than about 75% 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 numberMR38400-618K8
Total capacity128 GB (8 × 16 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 rank1Rx8
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items128 GB 8 × 16 GB DDR5 4800 MHz PC5-38400 1Rx8 1.1 V 288-PIN ECC RDIMM KIT

Other versions of this model

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Questions about this item

Will these 288-pin DDR5 RDIMMs fit the Supermicro H14SHM motherboard slots?

Yes, the kit uses the exact 288-pin Registered DDR5 form factor the H14SHM requires, so every module seats correctly in the board's memory slots.

What is the correct population order when installing all eight 16 GB modules?

Follow the motherboard manual's approved DIMM population sequence; the board's memory controller expects a specific slot order to recognize the full 128 GB at DDR5-4800.

Do the modules need active cooling since they have no heat spreader?

The RDIMMs run at the standard 1.1 V without a heat spreader; ensure the server chassis provides adequate airflow over the memory slots for stable operation.

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