Brand CORSAIR Model CMPSU-450VX Type ATX12V V2.2 Maximum Power 450W Fans 1 x 120mm Double ball-bearing fan PFC Active Main Connector 20+4Pin +12V Rails Single PCI-E Connectors 1 x 6Pin Modular Cabling Support No Efficiency Up to 85% Energy-Efficient 80 PLUS Certified Over Voltage Protection Yes Input Voltage 90 - 264 V Input Frequency Range 50/60 Hz Input Current 9/ 4.5A NVIDIA SLI Support No Output +3.3V@20A,+5V@20A,+12V@33A,-12V@0.8A,+5VSB@2.5A MTBF >100,000 Hours Approvals UL, CUL, CE, CB, FCC Class B, TUV, CCC, C-tick Connectors 1 x Main connector (20+4Pin) 1 x 12V(4+4Pin) 6 x peripheral 6 x SATA 2 x Floppy 1 x PCI-E Features Supports the latest ATX12V v2.2 and is backwards compatible with ATX12V 2.01 systems. Ultra quiet 120mm double ball-bearing thermally controlled fan. Double forward switching circuitry design offers high efficiency, up to 85% under wide load range. Dedicated single +12V rail offers maximum compatibility with latest components. High quality Japanese capacitors provide uncompromised performance and reliability. Extra long cables support full tower size chassis.