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Four green DDR5 RDIMM modules in anti-static tray

NEMIX RAM

NEMIX RAM DDR5 ECC RDIMM 64GB (4x16GB) 4800MHz CL40 1Rx8 1.1V Supermicro H14SST-G

SKU CH-HPN1-9KKYS

64GB (4×16GB) DDR5 4800MHz CL40 1.1V ECC Registered RDIMM kit validated for the Supermicro H14SST-G motherboard

  • 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 capacity in a matched 4×16 GB kit for full server density
  • DDR5 4800 MT/s speed with CL40 latency for rated throughput
  • Registered ECC architecture offloads the controller and corrects single-bit errors
  • 1 V operation at 1Rx8 rank matches the motherboard's memory-controller expectations
  • 288-pin RDIMM form factor verified for Supermicro H14SST-G compatibility

DDR5 ECC RDIMM Kit for Supermicro H14SST-G

This 64GB kit contains four 16GB DDR5 registered DIMMs rated at 4800MHz with CL40 latency and 1.1V operation. It is built for servers that require ECC error correction and registered buffering to run every slot at full capacity.

Suited for Supermicro H14SST-G upgrades needing

Not suitable for platforms that require unbuffered UDIMMs, SODIMM modules, or a different DDR generation. Buyers whose motherboards demand a different pin count, rank configuration, or CAS latency should verify their manual before purchasing.

1Rx8 registered DDR5 at 1.1V matches the board's

The 288-pin RDIMM form factor, 1Rx8 organisation, and 1.1V specification are the decisive factors that allow the Supermicro H14SST-G to recognise the full 64GB at the rated 4800MHz speed.

How it compares

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

Price $1,697.99
Pricier than about 66% 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 $26.53 per GB
Pricier than about 73% 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

Will the 1Rx8 registered ECC modules need any firmware updates or reconfiguration after years of continuous server operation?

The modules are an exact-match upgrade for the Supermicro H14SST-G motherboard, using the precise rank, voltage and timing the memory controller expects so they are recognised at full capacity and rated speed without further configuration.

What is the first limit that appears when the 64GB kit runs at DDR5-4800 CL40 under sustained load?

The CAS latency of CL40 at 4800 MT/s sets the timing boundary; the registered architecture offloads the memory controller so every slot stays fully populated at rated speed.

How much heat and power do the four 16GB RDIMMs produce when the server runs all day?

Each module operates at 1.10 V with no heat spreader, so power draw stays at the DDR5 4800 specification level and airflow through the chassis handles the thermal load.

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