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Six green DDR5 RDIMM sticks in anti-static tray

NEMIX RAM

NEMIX RAM DDR5 6400 384GB 6x64GB CL52 1.1V ECC RDIMM Supermicro H14DST-F memory upgrade

SKU CH-3E6T-A9TV9

Six 64 GB DDR5-6400 ECC registered DIMMs at 1.1 V CL52, validated for the Supermicro H14DST-F motherboard

  • Total capacity384 GB (6 × 64 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • 384 GB total capacity across six 64 GB modules for maximum server memory density
  • DDR5 6400 speed with CL52 latency delivers rated throughput for Supermicro H14DST-F
  • Registered ECC architecture offloads the memory controller and corrects single-bit errors automatically
  • 1 V operation at 2Rx4 rank matches the board's exact voltage and population requirements
  • 288-pin RDIMM form factor ensures correct physical and electrical fit in every supported slot

Exact-match DDR5 upgrade for Supermicro H14DST-F

This 384 GB kit delivers six 64 GB DDR5 6400 RDIMMs built to the precise 2Rx4, 1.1 V, CL52 specification the motherboard expects. Registered ECC architecture offloads the memory controller and corrects single-bit errors so fully populated slots run at rated speed without silent data corruption. It is intended for administrators expanding a compatible Supermicro server to its maximum supported capacity.

Replaces partial or slower DDR5 configurations

The jump is worth it when your current installation leaves empty slots, runs at a lower data rate, or uses unbuffered modules that the H14DST-F cannot address at full population. Registered ECC RDIMMs are required by this platform; UDIMMs or SODIMMs will not function. Builders who need a different total capacity or a non-ECC layout should look elsewhere.

Straightforward slot installation

Modules insert into the 288-pin DDR5 RDIMM slots following the motherboard manual's prescribed population order; no tools or firmware flashes are required. The most common issue is ignoring the approved DIMM sequence, which can prevent the system from recognising the full 384 GB or from booting at all. Always verify the manual's configuration table before seating the modules.

How it compares

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

Price $11,661.99
Pricier than about 89% of the 21,161 comparable items (median $397.99).
Total capacity 384 GB (6 × 64 GB)
Higher than about 85% of the 20,941 comparable items (median 32 GB).
Price per GB $30.37 per GB
Pricier than about 87% 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 numberMR51200-924K6
Total capacity384 GB (6 × 64 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 rank2Rx4
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items384 GB 6 × 64 GB DDR5 6400 MHz PC5-51200 2Rx4 1.1 V 288-PIN ECC RDIMM KIT

Questions about this item

Will these 288-pin RDIMMs fit the DIMM slots on my Supermicro H14DST-F motherboard?

Yes. The kit uses the 288-pin RDIMM form factor that the H14DST-F requires; it is not a UDIMM or SODIMM, so it seats directly in the board's DDR5 DIMM slots.

What is the correct population order when installing all six 64 GB modules, and what step is often missed?

Follow the motherboard manual's approved DIMM population sequence for six modules; the step most often missed is checking that sequence before seating every module.

Do the modules have a heat spreader, and will I need to replace any cooling parts later?

The modules ship without a heat spreader; no cooling parts on the DIMMs themselves require replacement, but keep the server's chassis airflow clean per the system manual.

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