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Four green DDR5 RDIMM modules in a row

NEMIX RAM

NEMIX RAM DDR5 4800 ECC RDIMM 64GB 4x16GB CL40 1.1V Supermicro H14DSG-O-CPU

SKU CH-2SJ2-912YY

64GB DDR5-4800 ECC registered RDIMM kit, four 16GB modules at CL40 and 1.1V, validated for Supermicro H14DSG-O-CPU

  • 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

Show 30 more
  • 64 GB total capacity in a four-module kit
  • DDR5-4800 speed with CL40 latency at 1.10 V
  • Registered ECC architecture prevents silent data corruption
  • 1Rx8 single-rank design enables full-slot population
  • 288-pin RDIMM form factor validated for Supermicro H14DSG-O-CPU

64GB DDR5 ECC RDIMM kit for Supermicro H14DSG-O-CPU

This 64GB kit contains four 16GB DDR5 4800 registered ECC modules built to the exact rank, voltage and timing the Supermicro H14DSG-O-CPU motherboard expects. The 288-pin RDIMM form factor matches the board's memory slots so the system recognises the full capacity at rated speed.

Who this suits and who should look elsewhere

Server administrators upgrading a Supermicro H14DSG-O-CPU platform with registered ECC DDR5 memory will find this kit validated for that board. Builders needing unbuffered UDIMM or SODIMM modules, or a different capacity per module, cannot use this registered RDIMM kit.

The spec that decides fit

Registered ECC RDIMM architecture with 1Rx8 organisation at 1.1V CL40 is the single specification that determines compatibility; the motherboard requires this exact registered buffered design and will not accept unbuffered alternatives.

How it compares

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

Price $1,814.99
Pricier than about 67% 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 $28.36 per GB
Pricier than about 80% 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 on the Supermicro H14DSG-O-CPU, and which population order mistake should I avoid?

Follow the motherboard manual for the exact slot sequence; populate the 288-pin RDIMM slots in the prescribed order so all four 1Rx8 modules initialise at CL40 without training errors.

What maintenance or replacement will the DDR5 4800 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 service.

What limit appears first when the 64GB DDR5 4800 kit runs sustained workloads on the H14DSG-O-CPU?

The memory controller hits its maximum supported bandwidth at 4800 MT/s with all four 1Rx8 ranks populated, so throughput plateaus before thermal or voltage headroom is exhausted.

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