HP Pavilion 500 P6 Series Desktop ATX 300W Active PFC Power Supply 667892-003.
Power Input: 200-240V 50-60Hz 3A
Power Output: 300W +12Va - /12A, +12Vb - /16A, +3.3V - /12A, -12V - /0.3A, +5.08V - /13A, +5.08Vsb - /2A
Form Factor: ATX
Type: Power Supply