Athena Power AP-MP4ATX30 300W SFX-12V ATX-12V eMachines, HP Upgrades/Replacement Power Supply Main Connector: 20+4Pin +12V Rails: Single Over Voltage Protection: Yes Input Voltage: 115 / 230 V Input Frequency Range: 50/60 Hz Output: +3.3V@13A, +5V@13A, +12V1@16A, -12V@0.8A, -5V@0.5A, and +5VSB@2.5A MTBF: >100,000 Hours