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Four green DDR5 RDIMM modules in anti-static tray

NEMIX RAM

NEMIX RAM DDR5 4800 128GB (4x32GB) ECC Registered RDIMM memory upgrade for Supermicro H14DST-FL

SKU CH-V5T4-DHZM8

A 128 GB DDR5-4800 registered ECC kit (four 32 GB modules) built to the Supermicro H14DST-FL motherboard's exact rank, voltage and timing requirements

  • 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

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  • 128 GB total capacity from four matched 32 GB modules
  • DDR5 4800 speed with CL40 latency at 1.1 V
  • Registered ECC design corrects single-bit errors automatically
  • 288-pin RDIMM form factor fits Supermicro H14DST-FL slots
  • Built with major OEM Samsung Micron or Hynix chips

Exact-Match Server Upgrade

This 128GB kit delivers four 32GB DDR5 4800 registered ECC RDIMMs built to the Supermicro H14DST-FL memory controller specification. It targets administrators who need full-capacity population with guaranteed recognition at rated speed.

Build Integration

The 288-pin RDIMM form factor matches the board's registered DIMM slots; UDIMM or SODIMM modules will not work. Registered architecture offloads the memory controller so every slot runs fully populated, while ECC corrects single-bit errors before they reach production workloads.

Thermals and Power

Modules operate at 1.1V without heat spreaders, relying on chassis airflow for cooling. Low voltage and registered buffering keep power draw modest under sustained load, and the absence of spreaders avoids clearance conflicts in dense server configurations.

How it compares

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

Price $3,536.99
Pricier than about 75% 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 $27.63 per GB
Pricier than about 77% 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

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Questions about this item

Will the 1.1V operating voltage and CL40 latency limit sustained throughput on the Supermicro H14DST-FL?

The kit runs at the standard DDR5 4800 1.1V CL40 specification, so voltage and latency are the controller's expected baseline, not a throttle point.

What thermal or acoustic impact should I expect when all four RDIMMs run continuously?

Modules have no heat spreader and draw 1.1V each; registered buffering reduces electrical load on the memory controller, keeping thermals within normal server airflow limits.

Must the motherboard already support 2Rx8 registered ECC DDR5 and four-slot population for this kit to function?

Yes, the Supermicro H14DST-FL must accept 288-pin RDIMMs, 2Rx8 organization, ECC, and a four-DIMM population per its memory rules.

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