APEVIA ATX-BT550W ATX Passive PFC Power Supply Fans: Forced air ventilation by 1 x 120mm blue LED fan Main Connector: 1 x 20/24pin Main Power +12V Rails: Single PCI-Express Connector: 1 x 6+2-Pin SATA Power Connector: 4 Hold-up Time: Hold up Time: 17ms at Full Load normal Line Input Voltage Input Voltage: 115V - 230V Input Frequency Range: 50/60 Hz