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Four green DDR5 RDIMM modules without heat spreaders, 48GB each

NEMIX RAM

NEMIX RAM 192GB (4 x 48GB) DDR5 6400 CL52 2Rx8 ECC Registered RDIMM memory upgrade for Supermicro H14SSL-NT

SKU CH-RN1E-H65EK

A 192GB kit of four 48GB DDR5 6400 CL52 ECC registered RDIMMs validated for the Supermicro H14SSL-NT motherboard

  • Total capacity192 GB (4 × 48 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • 192 GB capacity across four 48 GB modules for high-density server workloads
  • DDR5 6400 speed with CL52 latency matched to the memory controller
  • Registered ECC design with 2Rx8 organisation for full-slot stability
  • 1 V operation and 288-pin RDIMM form factor built for Supermicro H14SSL-NT
  • Lifetime replacement warranty with US-based technical support included

192GB DDR5-6400 ECC RDIMM kit

This 192GB kit contains four 48GB DDR5-6400 (PC5-51200) registered ECC RDIMMs built for the Supermicro H14SSL-NT motherboard. Each module runs at 1.1V with CL52 latency and a 2Rx8 organization using major OEM chips. The registered design lets every slot run fully populated at the rated speed without downclocking.

DDR5 RDIMM population rules

DDR5 registered DIMMs require the motherboard's memory controller to support the exact rank, voltage, and timing combination; the H14SSL-NT must be populated in the order its manual specifies. Mixing different capacities, ranks, or voltages on the same channel will prevent the system from booting at the advertised 6400MT/s rate.

Pre-installation checklist

Verify that your H14SSL-NT BIOS revision supports 48GB dual-rank modules and the total 192GB capacity across all populated channels. Confirm the approved DIMM slot sequence for a four-module configuration and ensure the server chassis provides adequate airflow for modules without heat spreaders.

How it compares

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

Price $4,821.99
Pricier than about 79% 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 $25.11 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 numberMR51200-4828K4
Total capacity192 GB (4 × 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 items192 GB 4 × 48 GB DDR5 6400 MHz PC5-51200 2Rx8 1.1 V 288-PIN ECC RDIMM KIT

Questions about this item

Should I choose the 192GB kit or a smaller capacity for my Supermicro H14SSL-NT?

The 192GB kit provides four 48GB modules. Check your motherboard manual for supported capacities and the approved DIMM population order before deciding.

What does DDR5 6400 CL52 mean for real-world server performance?

The modules run at 6400 MT/s with CL52 latency at 1.1V. Registered ECC architecture lets all four slots run fully populated at rated speed while correcting single-bit errors on the fly.

Will the 288-pin RDIMM interface work at full speed on my H14SSL-NT?

Yes. The kit uses the 288-pin Registered RDIMM form factor this board requires. It is spec-matched to the motherboard's memory population rules for full-capacity operation.

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