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Eight green DDR5 RDIMM modules in anti-static tray

NEMIX RAM

NEMIX RAM DDR5 6400MHz 256GB (8x32GB) CL52 1.1V ECC Registered RDIMM Supermicro H14SSL-NT memory upgrade

SKU CH-C7BG-KA04M

256 GB kit of eight 32 GB DDR5 RDIMMs running at 6400 MT/s with CL52 latency, 1.1 V registered ECC for Supermicro H14SSL-NT servers

  • Total capacity256 GB (8 × 32 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Rated voltage1.1 V
  • Buffer typeRegistered
  • 256GB kit populates eight slots at full rated speed
  • DDR5-6400 CL52 timing matches the memory controller exactly
  • Registered ECC architecture corrects single-bit errors automatically
  • 1V low-voltage operation reduces server power draw
  • Verified fit for Supermicro H14SSL-NT motherboard

Exact-match DDR5 RDIMM kit for Supermicro H14SSL-NT

This 256 GB kit contains eight 32 GB DDR5-6400 registered ECC modules built to the PC5-51200 standard. Each DIMM runs at 1.1 V with CL52 latency and a 2Rx8 organisation. The 288-pin RDIMM form factor matches the motherboard's memory slots exactly.

Sustained-load behaviour of registered ECC DDR5

Registered buffering reduces electrical load on the memory controller so all eight slots can stay populated at the rated 6400 MT/s without down-clocking. On-die ECC detects and corrects single-bit errors in real time, preventing silent data corruption during long compute runs. The 1.1 V operating voltage keeps power draw predictable across fully populated channels.

Pre-installation checklist for this Supermicro board

Verify the H14SSL-NT manual for approved DIMM population sequences and maximum supported capacity per channel before ordering. Confirm the BIOS revision listed in the vendor's compatibility matrix is installed or plan an update. Ensure the chassis provides enough clearance for eight full-height RDIMMs and that the power budget covers the additional memory modules.

How it compares

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

Price $9,554.99
Pricier than about 86% of the 21,161 comparable items (median $397.99).
Total capacity 256 GB (8 × 32 GB)
Higher than about 80% of the 20,941 comparable items (median 32 GB).
Price per GB $37.32 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 numberMR51200-328K8
Total capacity256 GB (8 × 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 items256 GB 8 × 32 GB DDR5 6400 MHz PC5-51200 2Rx8 1.1 V 288-PIN ECC RDIMM KIT

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