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Six green DDR5 RDIMM modules in a row, no heat spreaders, gold contacts visible

NEMIX RAM

NEMIX RAM 288GB (6×48GB) DDR5 6400 CL52 1.1V ECC Registered RDIMM Supermicro H14SSL-NT

SKU CH-G9WS-78FAP

A 288GB registered ECC DDR5 kit of six 48GB modules at 6400 MT/s with CL52 latency and 1.1V operation, validated for the Supermicro H14SSL-NT motherboard

  • Total capacity288 GB (6 × 48 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • 288 GB total capacity from six 48 GB modules
  • DDR5 6400 speed with CL52 latency for rated throughput
  • 1 V operation matches server memory controller spec
  • Registered ECC architecture offloads controller and corrects single-bit errors
  • Verified fitment for Supermicro H14SSL-NT motherboard

Capacity and Compatibility

This 288 GB kit contains six 48 GB DDR5 RDIMM modules rated at 6400 MT/s with CL52 latency and 1.1 V operation. Registered ECC architecture and 2Rx8 organisation match the Supermicro H14SSL-NT memory controller so the full population is recognised at rated speed.

Thermals and Power

Modules run at the standard 1.1 V without a heat spreader, relying on server chassis airflow for cooling. Registered buffering reduces electrical load on the memory controller, keeping power draw predictable even with all slots populated.

What the Kit Changes

ECC corrects single-bit errors on the fly, preventing silent data corruption and unplanned reboots in production workloads. Registered design lets every slot operate at full capacity, while the exact-match specification removes guesswork from population-order rules.

How it compares

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

Price $6,723.99
Pricier than about 82% 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 $23.35 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 numberMR51200-4828K6
Total capacity288 GB (6 × 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 items288 GB 6 × 48 GB DDR5 6400 MHz PC5-51200 2Rx8 1.1 V 288-PIN ECC RDIMM KIT

Questions about this item

How do I install the 6×48GB DDR5 6400 RDIMM kit into the Supermicro H14SSL-NT, and which population step is commonly missed?

Power down the server, open the chassis, and insert each 288-pin module into the slots listed in the motherboard manual for a six-DIMM configuration; the step most often missed is following the exact population order required for full 288GB recognition.

What maintenance or replacement will this registered ECC memory need over its service life?

Registered ECC RDIMMs have no moving parts and require no scheduled maintenance; replacement is only necessary if a module fails, which is covered by the lifetime replacement warranty.

What limit appears first when the kit runs at DDR5 6400 CL52 1.1V under sustained load?

The primary limit is the memory controller’s maximum supported speed and capacity with six 2Rx8 ranks populated; if the controller cannot sustain 6400 MT/s at full population, the system will downclock the modules automatically.

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