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Twelve green DDR5 RDIMM modules in a row

NEMIX RAM

NEMIX RAM DDR5 ECC RDIMM 192GB 12x16GB 4800 CL40 1.1V 1Rx8 Supermicro H14SSF memory upgrade

SKU CH-20MV-3WBAG

192 GB DDR5 registered ECC server kit with twelve 16 GB modules at 4800 MT/s, CL40, 1.1 V, validated for Supermicro H14SSF

  • Total capacity192 GB (12 × 16 GB)
  • Rated speedDDR5 4800 (PC5 38400)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL40
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 192GB 12X16GB

Show 24 more
  • 192 GB total capacity from twelve 16 GB modules
  • DDR5-4800 speed with CL40 latency for rated throughput
  • Registered ECC design corrects single-bit errors automatically
  • 1 V operation matches the Supermicro H14SSF memory controller
  • 288-pin RDIMM form factor fits the board's populated slots

192GB DDR5 ECC RDIMM kit for Supermicro H14SSF

This 12-module kit delivers 192GB of DDR5 registered ECC memory built for the Supermicro H14SSF motherboard. Each 16GB module runs at 4800MHz with CL40 timing at 1.1V. The 1Rx8 registered design matches the board's memory controller requirements for full-capacity operation.

DDR5 registered DIMM constraints

DDR5 RDIMMs use a 288-pin form factor that only fits motherboards designed for registered DDR5 memory. The registered buffer reduces electrical load on the memory controller, allowing all slots to be populated at rated speed. ECC corrects single-bit errors automatically. Modules without the registered buffer or with different pin counts will not function in this system.

1Rx8 rank configuration decides compatibility

The 1Rx8 organization is the specific rank structure the Supermicro H14SSF memory controller expects for 16GB DDR5 modules. Using modules with a different rank layout can prevent the system from recognizing the full 192GB capacity or from booting at all. Verify your motherboard manual confirms support for 12 x 16GB 1Rx8 registered DIMMs before ordering.

How it compares

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

Price $4,918.99
Pricier than about 80% of the 21,161 comparable items (median $397.99).
Total capacity 192 GB (12 × 16 GB)
Higher than about 75% of the 20,941 comparable items (median 32 GB).
Price per GB $25.62 per GB
Pricier than about 70% 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 numberMR38400-618K12
Total capacity192 GB (12 × 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 items192 GB 12 × 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

Should I choose the 192 GB 12x16 GB kit or a smaller capacity for my Supermicro H14SSF?

The 192 GB kit fills all 12 slots with 16 GB 1Rx8 modules, which matches the board's maximum supported population for full-speed operation at DDR5-4800 CL40.

What does DDR5-4800 CL40 mean for real-world server workloads on this platform?

The modules run at the 4800 MT/s data rate with 40-cycle latency at 1.1 V, giving the memory controller the exact timing it expects for stable, ECC-protected throughput.

How does the 288-pin RDIMM interface limit performance on the H14SSF?

Registered DIMMs buffer address and command signals, allowing all 12 slots to operate at the rated 4800 MT/s without signal-integrity loss that unbuffered modules would suffer.

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