Dual 12v Rails Cooling: 12cm Silent Fan New Version Ver. 2.3 Silent with better ventilation ATX 12V Compliant for all Types of CPU & Mainboard AC INPUT: 230 VAC 5A 50-60 Hz DC +3.3V +5V +12V1 +12V2 -12V +5VSB Output 20A 30A 10A 13A 0.3A 2.5A Max 450W 20+4 Pin Main Connectors:1 4-Pin 12V Connectors:1 SATA Connectors:2 4-Pin Molex Connectors:4 6-Pin PCI-e Connectors:1 Floppy Drive Connectors:1 Dimensions: 150mm x 85mm x 158mm (W x H x D) Input Voltage: 230 VAC Input Current: 5A Input Frequency Range: 50-60 Hz PFC: PPFC Power Good Signal: 150-450 ms Hold Up Time: 1MS-40MS Efficiency: 75% MTBF: 100, 000 Hours Protection: OVP / UVP/ OPP Power: 450W Operation Temperature: 45°C Safety: CE / ROHS Cooling: 12cm Fan Noise: < 17 d BA