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Four green DDR5 RDIMM modules with black chips, no heat spreaders

NEMIX RAM

NEMIX RAM DDR5 192GB 4x48GB 4800 CL40 1.1V ECC RDIMM Supermicro H14DSG-O-CPU memory upgrade

SKU CH-K4FN-249GR

A 192 GB DDR5 ECC RDIMM kit built for the Supermicro H14DSG-O-CPU motherboard, running at 4800 MHz with CL40 timing and 1.1 V registered operation

  • Total capacity192 GB (4 × 48 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 192GB 4X48GB

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  • 192 GB total capacity from four matched 48 GB modules
  • DDR5-4800 speed with CL40 latency for rated server performance
  • Registered ECC design corrects single-bit errors and supports full population
  • 1 V operation matches the Supermicro H14DSG-O-CPU memory controller spec
  • 288-pin RDIMM form factor fits the required server board slots

Kit purpose

This 192 GB DDR5 registered ECC kit contains four 48 GB modules built for the Supermicro H14DSG-O-CPU motherboard. It targets administrators who need the full 192 GB capacity at the board's native 4800 MT/s speed with CL40 timing and 1.1 V operation.

Before ordering

Verify that your H14DSG-O-CPU system manual approves a four-DIMM population of 48 GB registered modules at 2Rx8 rank. Confirm the required slot sequence and any BIOS version minimums so the memory controller initialises every module at the rated 4800 MT/s data rate.

Build and connectors

Each module uses the 288-pin RDIMM form factor without a heat spreader, relying on server chassis airflow for cooling. The registered buffer reduces electrical load on the memory controller when all slots are filled, while on-die ECC corrects single-bit errors to maintain data integrity in production workloads.

How it compares

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

Price $4,286.99
Pricier than about 78% of the 21,161 comparable items (median $397.99).
Total capacity 192 GB (4 × 48 GB)
Higher than about 75% of the 20,941 comparable items (median 32 GB).
Price per GB $22.33 per GB
Pricier than about 67% 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 numberMR38400-4828K4
Total capacity192 GB (4 × 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 items192 GB 4 × 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

Does the 192GB kit include all four 48GB modules, or do I need to buy anything else?

The kit ships as four 48GB DDR5 4800 RDIMMs (part MR38400-4828K4) — no extra modules or accessories are required for a full 192GB install.

Why choose this 4800 CL40 2Rx8 kit instead of a different speed or rank?

The Supermicro H14DSG-O-CPU memory controller expects DDR5-4800, 1.1V, CL40, 2Rx8 registered ECC; matching those exact specs ensures full-capacity recognition and rated-speed operation.

What does the 4800 MT/s rating actually deliver once the modules are seated in the server?

At 4800 MT/s (PC5-38400) the memory runs at its rated throughput with ECC error correction active, giving the bandwidth the platform was validated for without down-clocking.

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