Cooler Master MasterWatt 550W Power Supply Review
Specifications and Packaging
The MasterWatt 550W Bronze power supply is rated for a combined, continuous output power of up to 550 watts at 40°C operating temperature. The PSU incorporates a single +12V rail that can deliver up to 45.8A (550W) on the single +12V output. The PSU includes universal AC line input (automatically adjusts to the AC line voltage between 100 and 240 VAC) and active PFC, which makes the unit more environmentally friendly to the local power grid.
Specifications (from the Cooler Master website):
Packaging and Parts
The MasterWatt 550W Bronze power supply arrived packed inside a standard retail box showcasing the unit’s features and specifications.
The power supply is protected by an air-filled plastic insert.
In addition to the power supply, the box contains a power cord, mounting screws, a User Manual, and a bundle of modular cables.
The MasterWatt 550W power supply comes with a standard assortment of cables. The 24-pin and 4+4 pin ATX cables are fixed while the remaining three peripheral cables are modular. (See table above for connector count and cable lengths.)