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Eight green DDR5 RDIMM sticks with black chips, no heat spreaders

NEMIX RAM

NEMIX RAM DDR5 6400 ECC RDIMM 384GB (8x48GB) CL52 1.1V 2Rx8 Supermicro H14SSF memory upgrade

SKU CH-2JS0-4ERMP

Eight 48 GB DDR5 6400 RDIMM modules deliver 384 GB of registered ECC memory at 1.1 V CL52 for the Supermicro H14SSF motherboard

  • Total capacity384 GB (8 × 48 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • 384 GB total capacity across eight 48 GB modules for maximum server density
  • DDR5-6400 speed with CL52 latency runs at the board's rated frequency
  • Registered ECC design with 2Rx8 organisation corrects single-bit errors and stabilises full-slot populations
  • 1 V operating voltage matches the Supermicro H14SSF memory controller specification exactly
  • 288-pin RDIMM form factor fits the required slots without adapters or mismatches

Exact-fit DDR5-6400 ECC RDIMM kit

This 384 GB kit delivers eight 48 GB DDR5-6400 registered ECC modules built to the Supermicro H14SSF memory controller specifications. The 2Rx8 organization, 1.1 V operating voltage and CL52 latency match the board's qualified-voltage and timing tables so the system recognizes full capacity at rated speed without manual tuning. It targets administrators who need maximum registered capacity on this specific platform.

Sustained registered-ECC operation

Registered buffering reduces electrical load on the memory controller, allowing all eight slots to remain populated at 6400 MT/s under continuous server workloads. ECC circuitry detects and corrects single-bit errors in real time, preventing silent data corruption during long-running compute or database tasks. The 1.1 V DDR5 baseline keeps power draw predictable across extended duty cycles.

Eight-module 288-pin RDIMM population

Modules use the standard 288-pin RDIMM form factor with no heat spreaders, fitting the H14SSF DIMM sockets exactly as the vendor population guide requires. Major-brand Samsung, Micron or Hynix DRAM components are assembled to the specified 2Rx8 rank structure. Installers must follow the motherboard manual for approved slot order and maximum supported capacity per channel.

How it compares

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

Price $9,162.99
Pricier than about 86% of the 21,161 comparable items (median $397.99).
Total capacity 384 GB (8 × 48 GB)
Higher than about 85% of the 20,941 comparable items (median 32 GB).
Price per GB $23.86 per GB
Pricier than about 69% 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 numberMR51200-4828K8
Total capacity384 GB (8 × 48 GB)
Product type288-Pin DDR5 RDIMM
Performance
Rated speedDDR5 6400 (PC5 51200)
Processor
ChipsetMajor OEM Samsung, Micron, Hynix
Memory
CAS latencyCL52
ECC supportYes
Buffer typeRegistered
Memory rank2Rx8
Heat spreaderNo
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items384 GB 8 × 48 GB DDR5 6400 MHz PC5-51200 2Rx8 1.1 V 288-PIN ECC RDIMM KIT

Questions about this item

Will the 1.1 V DDR5-6400 CL52 registered ECC modules generate noticeable heat or fan noise when the H14SSF runs continuously?

At 1.1 V the modules draw the standard DDR5 voltage, so they add minimal thermal load; the board's existing airflow and registered design keep temperatures stable during all-day operation.

What motherboard and memory-population rules must already be present for this 384 GB kit to function?

The kit requires a Supermicro H14SSF motherboard with DDR5 RDIMM slots and the correct population order listed in the board manual; without that exact platform the modules will not be recognised.

Can the 2Rx8 registered ECC DIMMs share channels with any existing RDIMMs I keep in the H14SSF?

Mixing ranks or capacities on the same channel is not recommended; the board's memory-controller expects identical 2Rx8 modules per channel to maintain DDR5-6400 speed and ECC integrity.

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