Athena Power AP-P4ATX60FE 20+4Pin 600W Single EPS12V V2.91 SLI and CrossFire Ready Supports Intel Core i7 Server Power Supply Main Connector: 20+4Pin Output Current: +3.3V@22A, +5V@22A, +12V1@18A, +12V2@18A, -12V@0.8A, +5VSB@3A Input Voltage: 115 / 230 V Input Frequency Range: 50/60 Hz Fans: 2 x 12 VDE Silent Fans MTBF: 100,000 Hours on Maximum Load at +25°C Efficiency: > 75% Hold-up Time: 17ms Minimum at Nominal Input Voltage