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Eight green DDR5 RDIMM modules in anti-static tray

NEMIX RAM

NEMIX RAM DDR5 4800 ECC RDIMM 1TB 8x128GB CL40 1.1V Supermicro H14DST-F memory upgrade

SKU CH-RNT3-PWH91

1TB DDR5-4800 ECC RDIMM kit with eight 128GB modules, CL40, 1.10V, registered, validated for Supermicro H14DST-F

  • Total capacity1 TB (8 × 128 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 1TB 8X128GB

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  • 1TB capacity across eight 128GB modules for maximum server density
  • DDR5 4800 speed with CL40 latency matching controller expectations
  • Registered ECC architecture corrects single-bit errors preventing data corruption
  • 1V operation at 2Rx4 rank optimised for full-slot population
  • Verified 288-pin RDIMM fitment for Supermicro H14DST-F motherboard

Exact-match upgrade for Supermicro H14DST-F

This 1TB kit contains eight 128GB DDR5 4800 RDIMM modules tuned to the board's required 1.1V and CL40 timings. The registered ECC design meets the memory controller's exact rank and voltage expectations so full capacity is recognised at rated speed.

DDR5 registered ECC limits

The 288-pin RDIMM form factor is mandatory; UDIMM or SODIMM modules will not fit or function. Registered buffering offloads the memory controller to keep all slots stable when fully populated, while ECC corrects single-bit errors on the fly.

2Rx4 rank and 1.1V voltage decide fit

Your motherboard manual lists supported capacities, approved population order and any rank or voltage restrictions. If the platform requires a different rank structure or voltage this kit will not operate correctly.

How it compares

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

Price $30,107.99
Pricier than about 93% of the 21,161 comparable items (median $397.99).
Total capacity 1 TB (8 × 128 GB)
Higher than about 93% of the 20,941 comparable items (median 32 GB).
Price per GB $30.11 per GB
Pricier than about 86% 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 numberMR38400-724K8
Total capacity1 TB (8 × 128 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 rank2Rx4
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items1 TB 8 × 128 GB DDR5 4800 MHz PC5-38400 2Rx4 1.1 V 288-PIN ECC RDIMM KIT

Other versions of this model

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Questions about this item

Should I choose the 8x128GB kit or a different capacity for my Supermicro H14DST-F?

This kit provides the full 1TB capacity across eight 128GB modules, matching the board's DDR5 RDIMM slots and registered ECC requirements for maximum supported memory.

What does the DDR5 4800 speed deliver when installed in the H14DST-F?

The modules run at the rated 4800 MT/s with CL40 latency at 1.1V, giving the memory controller the exact timing and voltage it expects for stable full-speed operation.

How does the 288-pin RDIMM interface and registered ECC design affect real-world limits?

The registered buffer reduces electrical load on the controller so all eight slots can be populated at 128GB each, while ECC corrects single-bit errors on the fly to prevent silent data corruption.

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