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Two green DDR5 RDIMM modules without heat spreaders, 288-pin registered ECC server memory kit

NEMIX RAM

NEMIX RAM 64GB (2x32GB) DDR5-5600 ECC RDIMM CL46 1.1V 2Rx8 Supermicro H14SSL-NT memory upgrade

SKU CH-W9FH-NF252

A 64GB DDR5-5600 ECC registered DIMM kit built to the Supermicro H14SSL-NT's exact voltage, rank and timing requirements

  • Total capacity64 GB (2 × 32 GB)
  • Rated speedDDR5 5600 (PC5 44800)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL46
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 64GB 2X32GB

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  • 64 GB total capacity from a 2 x 32 GB kit
  • DDR5-5600 speed with CL46 latency for rated performance
  • ECC and registered design prevents silent data corruption
  • 10 V operation matches the motherboard specification exactly
  • Verified fitment for Supermicro H14SSL-NT with 288-pin RDIMM form factor

Exact-match DDR5 server upgrade

This 64GB kit delivers two 32GB DDR5-5600 ECC Registered DIMMs built to the Supermicro H14SSL-NT memory controller's exact rank, voltage and timing requirements. The 2Rx8 organisation and 1.10V operation let every populated slot run at the rated 5600 MT/s without down-clocking.

Thermals, noise and power

Low 1.10V DDR5 voltage keeps per-module power draw modest, so the sticks add minimal heat to a server chassis and need no active cooling of their own. Registered buffering reduces electrical load on the memory controller, helping the system fans stay quieter under sustained workloads.

Build quality and daily implications

Major OEM Samsung, Micron or Hynix DRAM chips provide enterprise-grade reliability, while on-die ECC corrects single-bit errors before they reach production data. The 288-pin RDIMM keying prevents accidental installation in UDIMM or SODIMM slots, and the two-module kit simplifies population-order compliance for the H14SSL-NT.

How it compares

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

Price $2,079.99
Pricier than about 69% of the 21,161 comparable items (median $397.99).
Total capacity 64 GB (2 × 32 GB)
Higher than about 60% of the 20,941 comparable items (median 32 GB).
Price per GB $32.50 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 numberMR44800-328K2
Total capacity64 GB (2 × 32 GB)
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 5600 (PC5 44800)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL46
ECC supportYes
Buffer typeRegistered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items64 GB 2 × 32 GB DDR5 5600 MHz PC5-44800 2Rx8 1.1 V 288-PIN ECC RDIMM KIT

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Questions about this item

How do I install the 2Rx8 RDIMM kit in the Supermicro H14SSL-NT and which slot order do people get wrong?

Install one module per channel following the board's population guide; the manual lists the exact sequence so both 32GB sticks initialise at DDR5-5600 without dropping to a lower speed.

What maintenance or replacement will the registered ECC modules need over their service life?

No scheduled maintenance is required; ECC corrects single-bit errors automatically and the lifetime replacement warranty covers any module that fails.

What limit appears first when the 1.1V DDR5-5600 kit runs fully populated under sustained load?

The memory controller's maximum supported capacity and rank-per-channel limit is reached before thermal or voltage headroom becomes an issue.

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