Athena Power AP-MTFX30 300W TFX12V Power Supply for many HP Slimline System Upgrades/Replacement Fans: 1 x 40mm ball-bearing fan with speed control Main Connector: 20+4Pin +12V Rails: 2 Hold-up Time: 17ms min. Input Voltage: 115 / 230 V Input Frequency Range: 50/60 Hz Output: +3.3V@13A, +5V@13A, +12V1@9A, +12V2@9A, -12V@0.8A, +5VSB@2.5A