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Twelve green DDR5 RDIMM modules in a row

NEMIX RAM

NEMIX RAM DDR5 6400MHz 384GB 12x32GB ECC Registered RDIMM Supermicro H13SSL-N

SKU CH-A5QJ-K4CGM

384 GB server memory kit with twelve 32 GB DDR5-6400 registered ECC RDIMMs for Supermicro H13SSL-N motherboards

  • Total capacity384 GB (12 × 32 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • 384 GB total capacity from 12 matched 32 GB modules
  • DDR5 6400 MT/s speed with CL52 latency for rated throughput
  • Registered ECC architecture offloads the controller and corrects single-bit errors
  • 10 V operation at 2Rx8 rank matches the motherboard spec exactly
  • 288-pin RDIMM form factor verified for Supermicro H13SSL-N fitment

Exact-match DDR5 server kit

This 384GB kit contains twelve 32GB DDR5 6400MHz RDIMMs built to the precise 2Rx8, 1.1V, CL52 specification the Supermicro H13SSL-N memory controller expects. Registered ECC architecture lets every slot run fully populated at rated speed while correcting single-bit errors on the fly. It is intended for administrators who need maximum supported capacity in that specific platform.

Thermals and power profile

Operating at 1.1V, the modules draw minimal power for their density and run without heat spreaders, relying on the server's directed airflow for cooling. The registered buffer reduces electrical load on the memory controller, helping maintain stability across all twelve slots during sustained workloads. Acoustic output is determined entirely by the chassis fans.

What the kit changes

Populating all channels with matched 2Rx8 RDIMMs enables the full 384GB capacity at DDR5-6400 without manual timing adjustments. ECC protection prevents silent data corruption that would otherwise require unplanned reboots. The package includes only the twelve modules; no additional software, cables or configuration tools are supplied.

How it compares

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

Price $13,337.99
Pricier than about 90% of the 21,161 comparable items (median $397.99).
Total capacity 384 GB (12 × 32 GB)
Higher than about 85% of the 20,941 comparable items (median 32 GB).
Price per GB $34.73 per GB
Pricier than about 90% 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 numberMR51200-328K12
Total capacity384 GB (12 × 32 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 12 × 32 GB DDR5 6400 MHz PC5-51200 2Rx8 1.1 V 288-PIN ECC RDIMM KIT

Questions about this item

How do I install the twelve 288-pin RDIMMs on the Supermicro H13SSL-N, and which slot-population step is often missed?

Follow the motherboard manual's exact DIMM-population order for twelve 2Rx8 modules; the step most often missed is seating every module in the prescribed sequence so the memory controller recognises the full 384 GB at DDR5-6400.

What maintenance or replacement will this 384 GB ECC RDIMM kit need over its service life?

No routine maintenance is required; if a module fails, the lifetime replacement warranty covers a swap, and ECC on-the-fly correction handles single-bit errors without intervention.

What limit appears first when all twelve slots run continuously at 6400 MHz?

The memory controller's maximum supported capacity and ranked-DIMM population rules are the first constraints; the kit's 1.1 V, CL52, 2Rx8 specification is designed to stay within those limits.

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