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Eight green DDR5 RDIMM modules in anti-static tray

NEMIX RAM

NEMIX RAM 256GB (8x32GB) DDR5 6400 PC5-51200 CL52 1.1V 2Rx4 288-Pin ECC RDIMM Kit SuperMicro X14SBW-F

SKU CH-B67E-6TK47

Eight 32 GB DDR5 6400 registered ECC modules supply 256 GB at 1.1 V CL52 for SuperMicro X14SBW-F servers

  • Total capacity256 GB (8 × 32 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Buffer typeRegistered
  • Rated voltage1.1 V
  • 256 GB total capacity from eight 32 GB modules
  • DDR5 6400 speed rated at PC5-51200 bandwidth
  • ECC registered RDIMM design protects data integrity
  • Low 1.1 V operating voltage reduces power draw
  • Validated for SuperMicro X14SBW-F server motherboards

SuperMicro X14SBW-F DDR5 Kit

This 256GB kit contains eight 32GB DDR5 6400 modules built for the SuperMicro X14SBW-F platform. It targets server and workstation administrators who need registered ECC memory validated for that specific motherboard.

DDR5 6400 registered limits

DDR5 6400 (PC5-51200) at CL52 sets the bandwidth ceiling for this registered DIMM type on the qualified platform. Registered buffering adds one cycle of command latency, and the platform's memory controller dictates the maximum supported speed and rank population per channel.

256GB eight-module capacity

The 256GB total across eight 2Rx4 modules fills the board's DDR5 slots at the rated 6400MT/s with 1.10V operation. Headroom ends at the qualified speed; exceeding it or mixing unqualified DIMMs can drop the controller to a lower JEDEC frequency or prevent boot.

How it compares

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

Price $9,099.99
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 $35.55 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 lineSuperMicro Server/Workstation Compatible Series Memory
Model nameSupermicro DDR5 6400 MHz ECC RDIMM Registered Server Memory
Part numberMR51200-324K8
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
Heat spreaderNo
Memory rank2Rx4
Power
Rated voltage1.1 V
Compatibility
Compatible systemsSupermicro
In the box
Included items256 GB (8 × 32 GB) DDR5 6400 MHz PC5-51200 2Rx4 1.1 V CL52 288-PIN ECC RDIMM Registered Server Memory KIT

Questions about this item

Should I pick the 256GB kit or build the same capacity with smaller modules?

The kit delivers 256GB across eight 32GB modules, matching the SuperMicro X14SBW-F 8-slot layout so every channel is populated without mixing capacities.

What does the DDR5 6400 rating mean once the kit is installed in the server?

The modules run at 6400 MT/s with CL52 latency at 1.1V, giving the platform its rated PC5-51200 bandwidth when the memory controller trains at that speed.

How does the 288-pin RDIMM interface limit what the kit can do?

The registered 288-pin DDR5 RDIMM format requires a server chipset that supports ECC and registered DIMMs; it will not work in consumer desktop boards.

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