Main FeaturesOEM System Builder PSU 120mm Silent Operating Fan 500W Output Wattage 3 x SATA Connections Model: E-500ATX OEM Wattage: 500W Type: Intel ATX12V V2.03 Dimension ( W x H x D): 150 x 86 x 140 mm Input Voltage: 230V A/C Input Current: 10A Input Frequency Range: 50 ~ 60 Hz PFC: Regular Efficiency: >70% Typically MTBF: >100,000 hrs Fan: 120mm Silent Fan Certifications: CE / FCC / RoHS Connections: 1 x 20+4 Pin Main Connectors 1 x 4-Pin 12V Connectors 2 x 4-Pin Molex Peripheral Connectors 3 x SATA Connectors 1 x Floppy Drive Connectors