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Sixteen green DDR5 RDIMM modules in a row

NEMIX RAM

NEMIX RAM DDR5 6400 2TB 16x128GB ECC RDIMM Supermicro H14DST-F

SKU CH-80AX-MVPB3

A 2 TB registered ECC DDR5 kit with sixteen 128 GB modules running at 6400 MT/s, CL52 and 1.1 V, validated for the Supermicro H14DST-F motherboard

  • Total capacity2 TB (16 × 128 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • Massive 2 TB capacity from sixteen 128 GB modules
  • DDR5 6400 speed with CL52 latency for rated performance
  • Registered ECC design prevents silent data corruption
  • Exact match for Supermicro H14DST-F memory population rules
  • Lifetime replacement warranty with free US-based technical support

Exact-match DDR5 upgrade for Supermicro H14DST-F

This 2TB kit supplies sixteen 128GB DDR5 6400 RDIMMs built to the PC5-51200 standard. Registered ECC architecture with 2Rx4 organisation and CL52 timing matches the board's memory controller so every slot runs at rated speed. The 1.10V modules arrive new and ready for immediate deployment in supported configurations.

Thermals noise and power in normal use

Operating at 1.10V, the modules draw minimal power while the registered buffer reduces electrical load on the memory controller. Without heat spreaders, airflow across the bare PCB handles typical server chassis cooling without added fan noise. ECC correction runs transparently during standard workloads, preventing silent data corruption without performance penalty.

Behaviour under sustained load

Fully populated 16-slot configurations maintain stability because registered signalling offloads the controller during continuous operation. ECC single-bit correction keeps data integrity intact across long compute runs, avoiding unplanned reboots. The kit is validated for the Supermicro H14DST-F population rules; other boards or mixed-capacity setups may not support the full 2TB at DDR5 6400.

How it compares

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

Price $67,215.99
Pricier than about 99% of the 21,161 comparable items (median $397.99).
Total capacity 2 TB (16 × 128 GB)
Higher than about 99% of the 20,941 comparable items (median 32 GB).
Price per GB $33.61 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 numberMR51200-724K16
Total capacity2 TB (16 × 128 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 items2 TB 16 × 128 GB DDR5 6400 MHz PC5-51200 2Rx4 1.1 V 288-PIN ECC RDIMM KIT

Questions about this item

How do I install the 16 DDR5 RDIMM modules into the Supermicro H14DST-F, and which population step is most often missed?

Fill all 16 slots following the motherboard manual's exact population order; the step most often missed is skipping the prescribed sequence, which prevents the system from recognising the full 2TB capacity at DDR5-6400.

What maintenance or replacement will this 2TB DDR5 ECC RDIMM kit need during its service life?

No scheduled maintenance is required; the modules are covered by a lifetime replacement warranty, so any failed DIMM is replaced rather than serviced.

What limit appears first when the 16x128GB DDR5-6400 kit runs sustained workloads on the H14DST-F?

The memory controller's maximum supported capacity and speed ceiling is reached first; with all 16 slots populated at 2Rx4, the system operates at the rated DDR5-6400 CL52 1.1V limit.

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