Details Type Intel ATX 12V 2.3 Maximum Power 450W Fans 120mm Ultra Quiet Fan PFC No Main Connector 24Pin +12V Rails Single Haswell Support Yes Modular Hardlined Energy-Efficient Non-80PLUS Input Voltage 110V / 220V Input Frequency Range 50/60 Hz Input Current 8A Output +3.3V@20A, +5V@14A, +12V@33A, -12V@0.5A, +5VSB@2.5A MTBF 100,000 Hours Approvals CE, TUV SUD, CB, FCC, UL, S-Mark, EAC, BSMI and RCM certified. Dimensions 3.40\ x 5.90\ x 5.50 n Protection Over Voltage Protection Yes Short Circuit Protection Yes Over Power Protection Yes Connectors 1x 24pin ATX 1x 4+4pin EPS 2x 6+2pin PCI-E 4x SATA 4x Peripheral 1x Floppy Features - Compliance with Intel ATX 12V 2.3 - Single +12V Rail Design - Ultra-quiet 120mm fan - Haswell Ready - Industrial Grade Protection Design