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Eight green DDR5 RDIMM modules in anti-static tray

NEMIX RAM

NEMIX RAM DDR5 6400 ECC RDIMM 256GB 8x32GB 2Rx4 CL52 1.1V Supermicro X14SDW-72C-SP9F memory upgrade

SKU CH-KYSB-RZDWC

Eight 32 GB DDR5 ECC registered DIMMs deliver 256 GB at 6400 MHz with CL52 latency and 1.1 V operation for the Supermicro X14SDW-72C-SP9F

  • Total capacity256 GB (8 × 32 GB)
  • Rated speedDDR5 6400 (PC5 51200)
  • ChipsetMajor OEM Samsung, Micron, Hynix
  • CAS latencyCL52
  • Rated voltage1.1 V
  • Buffer typeRegistered

Size 256GB 8X32GB

Show 4 more
  • 256 GB total capacity from eight 32 GB modules
  • DDR5 6400 speed with CL52 latency for rated throughput
  • Registered ECC design corrects single-bit errors on the fly
  • 1 V operation matches the memory controller specification
  • 288-pin RDIMM form factor fits the Supermicro X14SDW-72C-SP9F motherboard

Exact-match DDR5-6400 ECC RDIMM kit

This 256GB kit contains eight 32GB DDR5 registered DIMMs rated at 6400MT/s with CL52 latency and 1.1V operation. It is built for the Supermicro X14SDW-72C-SP9F motherboard and uses the 2Rx4 rank structure that board expects.

Sustained enterprise stability

Registered buffering offloads the memory controller so every slot runs fully populated at rated speed without throttling. On-die ECC corrects single-bit errors in real time, preventing silent data corruption during continuous server workloads.

Straightforward slot population

The 288-pin RDIMM form factor matches the board's keyed slots; insert each module until the latches click. Verify the manual's approved population order before installation to avoid a no-post condition.

How it compares

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

Price $8,832.99
Pricier than about 85% 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 $34.50 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 numberMR51200-324K8
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
Memory rank2Rx4
Heat spreaderNo
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 288-PIN ECC RDIMM KIT

Other versions of this model

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Questions about this item

How much heat and power does the 8-module 256GB DDR5 6400 kit generate running continuously in a Supermicro X14SDW-72C-SP9F?

Each 32GB RDIMM operates at 1.1V with CL52 timings; the registered design offloads the memory controller so all eight slots run fully populated at rated speed without extra voltage overhead.

What motherboard feature must my Supermicro X14SDW-72C-SP9F already have to accept this 288-pin ECC RDIMM kit?

The board must provide DDR5 RDIMM slots that support 2Rx4 registered modules at PC5-51200; the kit matches the exact rank, voltage and timing the controller expects.

Will this 2Rx4 CL52 DDR5 6400 kit run alongside any older DDR5 RDIMMs I keep in the same Supermicro X14SDW-72C-SP9F?

All populated slots must use identical 2Rx4 registered ECC modules at 1.1V and CL52; mixing different ranks, voltages or timings will prevent the server from recognising full capacity at rated speed.

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