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Twelve green DDR5 RDIMM modules in anti-static tray

NEMIX RAM

NEMIX RAM 384GB 12x32GB DDR5 4800 CL40 ECC RDIMM Supermicro H14SSL-N memory upgrade

SKU CH-ZDX7-1QEE3

384GB DDR5 4800 CL40 ECC Registered RDIMM kit with twelve 32GB modules for Supermicro H14SSL-N servers

  • Capacity384GB (12 x 32GB)
  • Type288-Pin DDR5 RDIMM
  • SpeedDDR5 4800 (PC5 38400)
  • CAS LatencyCL40
  • Voltage1.10V
  • ECCYes

Size 384GB 12X32GB

Show 24 more configurations
  • 384 GB total capacity from twelve 32 GB modules for dense server workloads
  • DDR5 4800 MT/s speed with CL40 latency matches the platform memory controller
  • Registered ECC RDIMM architecture offloads the controller and corrects single-bit errors
  • 10 V operating voltage and 2Rx8 rank layout meet the board's electrical requirements
  • Verified fit for Supermicro H14SSL-N motherboard with 288-pin RDIMM form factor

Exact-match server upgrade

This 384GB kit contains twelve 32GB DDR5 4800 CL40 registered ECC RDIMMs built for the Supermicro H14SSL-N motherboard. The modules run at 1.10V with a 2Rx8 organisation that matches the board's memory controller expectations. It is intended for administrators who need maximum supported capacity in every slot.

Registered DDR5 population limits

Registered DDR5 architecture allows full-slot population while the memory controller handles the electrical load. The H14SSL-N manual defines the approved DIMM sequence and maximum capacity per channel; exceeding those rules will prevent the system from posting. ECC corrects single-bit errors on the fly to protect data integrity.

Twelve-module installation steps

Installing twelve RDIMMs requires following the motherboard's exact population order, which is not universal across Supermicro platforms. Skipping a prescribed slot or mixing ranks usually causes a no-post condition. Verify the manual's sequence before seating any module to avoid repeated teardowns.

Highlights

  • 384 GB total capacity from twelve 32 GB modules for dense server workloads
  • DDR5 4800 MT/s speed with CL40 latency matches the platform memory controller
  • Registered ECC RDIMM architecture offloads the controller and corrects single-bit errors
  • 10 V operating voltage and 2Rx8 rank layout meet the board's electrical requirements
  • Verified fit for Supermicro H14SSL-N motherboard with 288-pin RDIMM form factor

Specifications

BrandNEMIX RAM
SeriesNEMIX RAM Original Series Server Memory
ModelDDR5 ECC RDIMM Registered Server Memory
Part NumberMR38400-328K12
Capacity384GB (12 x 32GB)
Type288-Pin DDR5 RDIMM
SpeedDDR5 4800 (PC5 38400)
CAS LatencyCL40
Voltage1.10V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx8
ChipsetMajor OEM Samsung, Micron, Hynix
Heat SpreaderNo
Compatible SystemSupermicro
FeaturesDDR5 ECC RDIMM Motherboard Compatible
Package Content384GB 12X32GB DDR5 4800MHz PC5-38400 2Rx8 1.1V 288-PIN ECC RDIMM KIT

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Questions about this item

Should I choose the 12 x 32 GB kit or a smaller capacity for my Supermicro H14SSL-N?

The 12 x 32 GB kit delivers 384 GB total, filling all available DIMM slots on the H14SSL-N so the memory controller can run every channel at the rated 4800 MT/s with 2Rx8 registered ECC modules.

What does the 4800 MT/s rating mean once the modules are installed in the server?

The kit operates at DDR5-4800 (PC5-38400) with CL40 latency at 1.10 V, so the motherboard will recognise the full 384 GB and run each of the 12 registered DIMMs at that speed without downclocking.

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

The 288-pin registered ECC form factor is exactly what the H14SSL-N requires; it enables full 12-slot population at 4800 MT/s while the register buffers each 2Rx8 rank for stable operation.

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