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Six green DDR5 RDIMM modules with black chips and no heat spreader

NEMIX RAM

NEMIX RAM DDR5 ECC RDIMM 288GB 6x48GB 4800 CL40 1.1V Supermicro H14SSF

SKU CH-FN4S-TMMPM

A 288 GB registered ECC DDR5 kit of six 48 GB modules running at 4800 MHz CL40 and 1.1 V, validated for the Supermicro H14SSF motherboard

  • Total capacity288 GB (6 × 48 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 288GB 6X48GB

Show 24 more
  • 288 GB total capacity with six 48 GB modules for maximum server density
  • DDR5 4800 speed delivers 38400 MB/s bandwidth for data-intensive workloads
  • Registered ECC design with CL40 latency corrects errors and stabilises fully populated channels
  • 1 V operation reduces power draw across all 288 GB of memory
  • Verified compatibility with Supermicro H14SSF motherboard ensures correct fit and recognition

Exact-fit DDR5 ECC RDIMM kit for Supermicro H14SSF

This 288 GB kit contains six 48 GB DDR5 4800 CL40 registered ECC modules built to the voltage and timing the H14SSF memory controller expects. It targets administrators who need maximum supported capacity in every slot without manual tuning.

Upgrade from partial or mixed-capacity populations

When the board currently runs fewer than six DIMMs or a blend of ranks this kit replaces them with a validated 2Rx8 set so the controller sees a uniform layout at full speed. The jump is worth it when workloads demand the full 288 GB address space and registered buffering is required for stability.

Straightforward installation

Modules seat in the standard 288-pin RDIMM slots; the critical step is following the motherboard manual for population order and supported capacity per channel. What usually goes wrong is skipping that check and populating slots the firmware does not recognise, which leaves capacity unseen or the system unbootable.

How it compares

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

Price $6,843.99
Pricier than about 83% of the 21,161 comparable items (median $397.99).
Total capacity 288 GB (6 × 48 GB)
Higher than about 81% of the 20,941 comparable items (median 32 GB).
Price per GB $23.76 per GB
Pricier than about 68% 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 numberMR38400-4828K6
Total capacity288 GB (6 × 48 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 rank2Rx8
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items288 GB 6 × 48 GB DDR5 4800 MHz PC5-38400 2Rx8 1.1 V 288-PIN ECC RDIMM KIT

Other versions of this model

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Questions about this item

Will this 288-pin RDIMM kit fit the DIMM slots on my Supermicro H14SSF motherboard?

Yes, the kit uses the 288-pin DDR5 RDIMM form factor that the H14SSF requires; it is not a UDIMM or SODIMM and matches the board's registered memory specification.

What is the correct installation order for the six 48 GB modules on the H14SSF?

Populate the slots in the sequence listed in the Supermicro H14SSF manual; the board's population rules dictate which channels fill first for full 288 GB recognition at DDR5-4800.

Do these registered ECC modules need any firmware updates or periodic replacement?

No firmware updates are required for the memory itself; ECC corrects single-bit errors automatically, and the modules carry a lifetime replacement warranty if a hardware fault ever occurs.

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