The MasterWatt is an 80 Plus Bronze power supply with an innovative semi-fanless mode. Under 15% load,the MasterWatt fan remains idle,offering zero dBA. When demand for power increases,a gradual fan curve provides measured cooling with little to no noise at any output level. Dual forward / DC-to-DC topology is employed to keep the voltage stable in all conditions. For increased performance,MasterWatt is equipped with 16 AWG power cables,which reduces resistance,thereby increasing efficiency. The 80 PLUS Bronze certification guarantees that MasterWatt delivers an average efficiency of 85%. MasterWatt Operates at 0dB under 15% load. Experience noise-free basic computing. The Dual Forward and DC-to-DC circuit design offers reliability and stability.This is especially significant in +3.3V and +5V outputs. The MasterWatt uses 16AWG cables for PCI-e cables. Less resistance and better efficiency,providing you a safer user environment.

80 PLUS RatingBronze
Fan Size120mm
ATX 24-pin Connectors1
EPS Connectors1 x 8-pin
PCI-Express Connectors2
SATA Connectors6
PATA Connectors2
Floppy Connectors1
Dimensions150mm x 86mm x 140mm
Warranty5 years

NOTE: No SA power cable included.
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Warranty Information
Warranty Duration5 Years
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Cooler Master MasterWatt Series 80 PLUS Bronze Semi-Modular ATX PSU, 550w

  • Brand: Cooler Master
  • Product Code: MPX-5501-AMAAB
  • Availability: In Stock
  • R1,218
  • R1,049