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Eight green DDR5 RDIMM modules in anti-static tray

NEMIX RAM

NEMIX RAM 128GB 8x16GB DDR5 6400 CL52 1.1V ECC RDIMM Supermicro H14DST-FL memory upgrade

SKU CH-STH3-42TQP

128 GB DDR5 ECC registered RDIMM kit with eight 16 GB modules at 6400 MT/s, CL52, 1.1 V for the Supermicro H14DST-FL motherboard

  • Total capacity128 GB (8 × 16 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • Exact-match 128GB kit runs at rated DDR5-6400 speed
  • 8x16GB 1Rx8 Registered ECC fits Supermicro H14DST-FL
  • 1V CL52 timing recognised by memory controller
  • Registered architecture offloads controller for full-slot stability
  • ECC corrects single-bit errors preventing silent data corruption

Exact-Match 128 GB Kit for Supermicro H14DST-FL

This NEMIX RAM kit delivers 128 GB of DDR5 ECC Registered memory in eight 16 GB modules. It is built for administrators upgrading a Supermicro H14DST-FL motherboard to its full supported capacity with the precise rank, voltage and timing the memory controller expects.

Low-Voltage Registered ECC Operation

Each module runs at 1.1 V with CL52 latency at DDR5-6400 speed. The registered architecture buffers the command and address bus so all eight slots can remain populated at rated speed while ECC corrects single-bit errors to prevent silent data corruption.

Eight-Slot Population Without Buffer Overload

The 288-pin RDIMM form factor matches the board's required slot type and population rules. Registered buffering offloads the memory controller, freeing it to maintain stability across a fully populated configuration without the electrical load of unbuffered modules.

How it compares

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

Price $3,931.99
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 $30.72 per GB
Pricier than about 88% 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 numberMR51200-618K8
Total capacity128 GB (8 × 16 GB)
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 6400 (PC5 51200)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL52
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 6400 MHz PC5-51200 1Rx8 1.1 V 288-PIN ECC RDIMM KIT

Questions about this item

How do I install the 8x16GB DDR5 6400 RDIMMs in my Supermicro H14DST-FL, and which population rule is most often missed?

Power off, open the chassis, and insert each 288-pin module into the slots listed in the motherboard manual for 8-DIMM populations; the step most often missed is following the exact slot order so the memory controller recognises all 128GB at 6400 CL52.

What maintenance or replacement will the 1Rx8 registered ECC kit need during its service life?

The modules have no heat spreader and no moving parts, so no routine maintenance is required; replacement is only necessary if a DIMM fails, which the lifetime warranty covers.

What limit appears first when the 1.1V CL52 kit runs sustained workloads on all 8 channels?

The registered buffer and on-die ECC keep signal integrity at the rated 6400 speed, so the first practical limit is the platform's maximum supported capacity rather than the memory itself.

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