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Four green DDR5 RDIMM modules in anti-static tray

NEMIX RAM

NEMIX RAM 128GB (4x32GB) DDR5 6400 CL52 1.1V 2Rx4 ECC RDIMM Supermicro X14SDW-64C-SP9F memory upgrade

SKU CH-W8Z8-WNTJS

128GB DDR5 6400 ECC registered RDIMM kit with four 32GB modules at 1.1V CL52 for Supermicro X14SDW-64C-SP9F

  • Capacity128GB (4 x 32GB)
  • Type288-Pin DDR5 RDIMM
  • SpeedDDR5 6400 (PC5 51200)
  • CAS LatencyCL52
  • Voltage1.10V
  • ECCYes

Size 128GB 4X32GB

Show 4 more configurations
  • 128 GB total capacity from four 32 GB modules
  • DDR5 6400 speed with CL52 latency at 1.10 V
  • Registered ECC design corrects single-bit errors automatically
  • 2Rx4 rank layout matches Supermicro X14SDW-64C-SP9F requirements
  • 288-pin RDIMM form factor fits the board's DDR5 slots

Supermicro X14SDW-64C-SP9F DDR5 upgrade

This 128 GB kit delivers four 32 GB DDR5 RDIMMs tuned to 6400 MT/s with CL52 timing at 1.1 V. It is built for administrators who need the exact rank, voltage and latency the server memory controller expects so the full capacity is recognised at rated speed.

Registered ECC RDIMM fitment

The 288-pin registered DIMM form factor matches the Supermicro X14SDW-64C-SP9F motherboard requirements and is not a UDIMM or SODIMM alternative. Registered architecture offloads the memory controller so every slot runs fully populated while ECC corrects single-bit errors on the fly.

Sustained enterprise stability

Registered buffering and on-die ECC maintain data integrity across continuous workloads without the signal degradation that can appear in unbuffered modules under load. The kit is validated for full-population operation at the specified 6400 MT/s rate.

Highlights

  • 128 GB total capacity from four 32 GB modules
  • DDR5 6400 speed with CL52 latency at 1.10 V
  • Registered ECC design corrects single-bit errors automatically
  • 2Rx4 rank layout matches Supermicro X14SDW-64C-SP9F requirements
  • 288-pin RDIMM form factor fits the board's DDR5 slots

Specifications

BrandNEMIX RAM
SeriesNEMIX RAM Original Series Server Memory
ModelDDR5 ECC RDIMM Registered Server Memory
Part NumberMR51200-324K4
Capacity128GB (4 x 32GB)
Type288-Pin DDR5 RDIMM
SpeedDDR5 6400 (PC5 51200)
CAS LatencyCL52
Voltage1.10V
ECCYes
Buffered/RegisteredRegistered
Rank2Rx4
ChipsetMajor OEM Samsung, Micron, Hynix
Heat SpreaderNo
Compatible SystemSupermicro
FeaturesDDR5 ECC RDIMM Motherboard Compatible
Package Content128GB 4X32GB DDR5 6400MHz PC5-51200 2Rx4 1.1V 288-PIN ECC RDIMM KIT

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Questions about this item

Will the 6400 MHz DDR5 speed and CL52 latency hold steady when all four slots on the Supermicro X14SDW-64C-SP9F are populated?

The kit is spec-matched to the board's memory-population rules, so the registered ECC modules run at the rated DDR5 6400 speed and CL52 timing with all four 32 GB DIMMs installed.

How much heat and power will the 1.1 V registered ECC modules add during continuous 24/7 server operation?

At 1.1 V the four 2Rx4 RDIMMs draw minimal power and produce little extra heat; the registered design offloads the memory controller, keeping thermals stable under sustained load.

Does the Supermicro X14SDW-64C-SP9F require any specific BIOS setting or firmware version to recognise the 128 GB DDR5 6400 kit?

The board must be configured for registered ECC RDIMMs and the DIMMs installed in the population order listed in the motherboard manual; no additional hardware is needed.

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