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Green circuit board with black memory chips, no heat spreader, gold edge connector

NEMIX RAM

NEMIX RAM 128GB DDR5 6400 CL52 4Rx4 1.1V ECC RDIMM Supermicro X14SDW-40C-SP9F memory upgrade

SKU CH-3WD6-K478S

128GB DDR5 6400 RDIMM with ECC and 4Rx4 registered architecture for Supermicro X14SDW-40C-SP9F servers

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

Size 128GB

  • 128 GB capacity lets you fully populate the Supermicro X14SDW-40C-SP9F
  • DDR5 6400 speed matches the board's rated frequency for full performance
  • Registered ECC design corrects single-bit errors to prevent silent data corruption
  • 1 V operation meets the platform's voltage spec for stable operation
  • 4Rx4 288-pin RDIMM form factor fits the motherboard's memory slots exactly

Exact-match server upgrade

This 128GB DDR5-6400 RDIMM is built for the Supermicro X14SDW-40C-SP9F motherboard. The module delivers registered ECC operation at 1.1V with CL52 latency. It targets administrators who need full-capacity population across every slot.

Thermals and power in normal use

Running at 1.1V keeps power draw low for dense server configurations. The bare-module design without a heat spreader relies on chassis airflow for cooling. Registered buffering reduces electrical load on the memory controller during sustained workloads.

Rank and form factor decide fit

The 4Rx4 organisation and 288-pin RDIMM layout are mandatory for this platform. UDIMM or SODIMM alternatives will not seat or function. Buyers who need a different rank structure or non-ECC memory cannot use this kit.

Points forts

  • 128 GB capacity lets you fully populate the Supermicro X14SDW-40C-SP9F
  • DDR5 6400 speed matches the board's rated frequency for full performance
  • Registered ECC design corrects single-bit errors to prevent silent data corruption
  • 1 V operation meets the platform's voltage spec for stable operation
  • 4Rx4 288-pin RDIMM form factor fits the motherboard's memory slots exactly

Caractéristiques

BrandNEMIX RAM
SeriesNEMIX RAM Original Series Server Memory
ModelDDR5 ECC RDIMM Registered Server Memory
Part NumberMR51200-744K1
Capacity128GB
Type288-Pin DDR5 RDIMM
SpeedDDR5 6400 (PC5 51200)
CAS LatencyCL52
Voltage1.10V
ECCYes
Buffered/RegisteredRegistered
Rank4Rx4
ChipsetMajor OEM Samsung, Micron, Hynix
Heat SpreaderNo
Compatible SystemSupermicro
FeaturesDDR5 ECC RDIMM Motherboard Compatible
Package Content128GB DDR5 6400MHz PC5-51200 4Rx4 1.1V 288-PIN ECC RDIMM KIT

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Questions sur cet article

How do I install this 288-pin DDR5 RDIMM in the Supermicro X14SDW-40C-SP9F and what step is often missed?

Align the module key with the slot notch, press firmly until both latches click, then verify the population order in the motherboard manual because the board requires a specific slot sequence for 4Rx4 registered DIMMs.

What maintenance or replacement will this 128GB DDR5 6400 CL52 module need over its service life?

No routine maintenance is required; the module has no heat spreader and uses major OEM Samsung, Micron or Hynix chips, so replacement only occurs if a failure is detected via ECC corrected-error counters.

What limit appears first when this 1.1V 4Rx4 ECC RDIMM runs sustained workloads?

The memory controller's maximum supported capacity per channel and the board's qualified vendor list for 4Rx4 registered DIMMs are the first constraints; exceeding them prevents the kit from running at DDR5 6400.

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