XFX XTR 550-Watt 80 PLUS Gold Power Supply Review
The XFX XTR 550W features a single 12V rail that is rated for 45A of power, or 540W. The 3.3V and 5V minor rails are each rated for 20A, with a combined maximum output of 100W. The 5VSB rail is rated for 2.5A, or 12.5W. Maximum combined output for the XFX XTR 550W power supply is 550W.