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Four green DDR5 RDIMM modules in anti-static tray

NEMIX RAM

NEMIX RAM DDR5 4800 ECC RDIMM 64GB 4x16GB CL40 1.1V Supermicro H14SSL-N memory upgrade

SKU CH-1RX8-ZNF67

64 GB DDR5 ECC RDIMM kit (4 × 16 GB, 4800 MT/s, CL40, 1.1 V) validated for Supermicro H14SSL-N servers

  • Total capacity64 GB (4 × 16 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 64GB 4X16GB

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  • Exact-match DDR5-4800 kit runs at rated speed
  • 64 GB capacity from four 16 GB registered modules
  • ECC corrects single-bit errors preventing silent corruption
  • 10 V operation matches server memory controller spec
  • Verified fit for Supermicro H14SSL-N motherboard

Exact-match DDR5 upgrade for Supermicro H14SSL-N

This 64GB kit contains four 16GB DDR5 4800 RDIMMs built to the precise rank, voltage and timing the board expects. Registered ECC architecture lets every slot run fully populated at rated speed while correcting single-bit errors on the fly. The modules are validated for the H14SSL-N so the memory controller recognises the full capacity immediately.

Thermals noise and power in normal use

Operating at 1.1V, the modules draw minimal power and run without heat spreaders, relying on the server's directed airflow for cooling. Registered buffering reduces electrical load on the memory controller, keeping system power draw stable even with all four slots filled. No moving parts means the kit adds no audible noise to the chassis.

Build fit and what it frees up

The 288-pin RDIMM form factor matches the H14SSL-N's DIMM slots exactly; UDIMM or SODIMM modules will not fit. Populating all four channels with this kit satisfies the board's population rules and leaves no empty slots for further expansion. Buyers who need more than 64GB or a different rank configuration must choose a different kit.

How it compares

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

Price $1,615.99
Pricier than about 65% of the 21,161 comparable items (median $397.99).
Total capacity 64 GB (4 × 16 GB)
Higher than about 60% of the 20,941 comparable items (median 32 GB).
Price per GB $25.25 per GB
Pricier than about 70% 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 numberMR38400-618K4
Total capacity64 GB (4 × 16 GB)
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 4800 (PC5 38400)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL40
ECC supportYes
Buffer typeRegistered
Memory rank1Rx8
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items64 GB 4 × 16 GB DDR5 4800 MHz PC5-38400 1Rx8 1.1 V 288-PIN ECC RDIMM KIT

Other versions of this model

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Questions about this item

How do I install the 4x16GB DDR5 4800 RDIMM kit in my Supermicro H14SSL-N, and which slot order trips people up?

Populate the four modules following the board's documented DIMM population sequence — usually the first slot of each channel — so the registered ECC kit runs at DDR5-4800 with 1Rx8 ranks recognised at full 64GB capacity.

What maintenance or replacement will the DDR5 ECC RDIMM kit need over its service life?

No scheduled maintenance is required; ECC corrects single-bit errors on the fly, and the lifetime replacement warranty covers any module that fails while the server remains in operation.

What limit appears first when the 1.1V CL40 RDIMM kit runs sustained workloads on the H14SSL-N?

The memory controller's maximum supported speed of DDR5-4800 (PC5-38400) is the first ceiling; the registered design keeps all four slots stable at that rate without down-clocking.

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