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Eight green DDR5 RDIMM modules in anti-static tray

NEMIX RAM

NEMIX RAM 128GB DDR5 4800 CL40 1Rx8 ECC RDIMM 8x16GB Supermicro H14SSF memory upgrade

SKU CH-3CTN-59ZSP

128 GB DDR5-4800 ECC registered RDIMM kit (eight 16 GB modules, CL40, 1.1 V, 288-pin) validated for the Supermicro H14SSF motherboard

  • 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

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  • 128GB total capacity from eight 16GB modules
  • DDR5-4800 speed with CL40 latency at 1.1V
  • ECC and registered design prevents data errors
  • 288-pin RDIMM form factor matches Supermicro H14SSF
  • Built with major-brand Samsung, Micron or Hynix chips

128GB DDR5 ECC RDIMM kit for Supermicro H14SSF

This 128GB kit contains eight 16GB DDR5 4800 Registered ECC modules built for the Supermicro H14SSF motherboard. It targets server administrators who need maximum capacity across every slot with error-correcting stability. The 1Rx8 rank and 1.1V voltage match the board's memory controller requirements exactly.

Registered 288-pin DDR5 4800 CL40 specification

The single specification that decides fitment is the Registered 288-pin DDR5 4800 CL40 1.1V 1Rx8 profile. The board only accepts RDIMM modules with this exact timing, voltage and rank; UDIMM or SODIMM alternatives will not be recognised. Matching these parameters ensures the system boots at full 128GB capacity and rated speed.

Straightforward slot population

Installation follows standard DIMM insertion: align the notch, press firmly until the latches click, and repeat for all eight slots in the order the motherboard manual specifies. The most common issue is populating slots in the wrong sequence, which can leave capacity unrecognised or force reduced speed. Consult the H14SSF manual for the approved population order before starting.

How it compares

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

Price $3,749.99
Pricier than about 76% 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 $29.30 per GB
Pricier than about 83% 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 the 4800 MT/s speed run at full rate on a Supermicro H14SSF?

Yes, the kit is spec-matched to the board so the memory controller recognises all 128 GB at DDR5-4800 with CL40 timing.

Does the 288-pin RDIMM interface limit how many modules I can install?

The registered design offloads the controller, allowing every slot to be populated at full capacity without signal degradation.

What clearance does the 8 x 16 GB kit need inside the chassis?

Standard 288-pin RDIMM height fits the H14SSF DIMM slots; no heat spreader means a low-profile profile for tight server enclosures.

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