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Two green DDR5 RDIMM modules without heat spreaders

NEMIX RAM

NEMIX RAM DDR5 6400MHz 32GB (2x16GB) CL52 1.1V ECC RDIMM Supermicro H14DST-F memory upgrade

SKU CH-EXKW-F4DFF

A 32 GB DDR5-6400 registered ECC kit built for the Supermicro H14DST-F motherboard

  • Total capacity32 GB (2 × 16 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • Exact DDR5-6400 PC5-51200 kit matches Supermicro H14DST-F spec for full-speed recognition
  • Registered ECC RDIMM offloads controller and corrects single-bit errors for enterprise stability
  • 2 x 16 GB 1Rx8 modules populate every slot at rated 1.1 V CL52 without downclocking
  • 288-pin RDIMM form factor fits only the slots your motherboard requires
  • Lifetime replacement warranty with US-based technical support included

Exact-match DDR5-6400 ECC RDIMM kit

This 32 GB kit contains two 16 GB DDR5-6400 modules built to the PC5-51200 standard. Each stick is a 288-pin registered DIMM with ECC, 1Rx8 organisation and CL52 latency at 1.10 V. It is validated for the Supermicro H14DST-F motherboard.

Upgrade from slower DDR5 or partial populations

Replacing lower-speed DDR5 or filling empty slots with this spec-matched kit lets the memory controller run every channel at the rated 6400 MT/s without down-clocking. The jump is worth it when your workloads need maximum registered-ECC bandwidth and the board's population rules call for 1Rx8 modules at 1.1 V.

Tool-free press-in install; verify population order

Modules seat with a straight vertical press until the ejector tabs click. The most common issue is ignoring the motherboard's required slot sequence, which can prevent the system from recognising the full 32 GB or from booting at all. Always consult the H14DST-F manual for the approved DIMM order before installation.

How it compares

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

Price $1,022.99
Pricier than about 61% of the 21,161 comparable items (median $397.99).
Total capacity 32 GB (2 × 16 GB)
Typical for this category: the median of 20,941 items is 32 GB.
Price per GB $31.97 per GB
Pricier than about 90% 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 numberMR51200-618K2
Total capacity32 GB (2 × 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 items32 GB 2 × 16 GB DDR5 6400 MHz PC5-51200 1Rx8 1.1 V 288-PIN ECC RDIMM KIT

Questions about this item

Will these 288-pin DDR5 RDIMMs fit the Supermicro H14DST-F motherboard slots?

Yes, the kit is built to the 288-pin DDR5 RDIMM form factor that the H14DST-F requires; it is not a UDIMM or SODIMM and matches the board's registered-DIMM slot keying.

What is the correct installation order for the two 1Rx8 modules on the H14DST-F?

Install the first module in the primary slot for each memory channel as defined in the motherboard manual, then add the second module to the matching secondary slot; skipping the primary slot leaves the channel unpopulated and the system will not boot.

Does the 1.10V operating voltage mean I will need to replace these modules sooner than higher-voltage RAM?

No, 1.10V is the standard DDR5 voltage and the modules carry a lifetime replacement warranty, so no scheduled replacement is required under normal server operation.

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