... 600WHigh *High efficiency >80% from 20%-100% load and typical up to 87% efficiency.*Full range input with active power factor correction (PF ... ,twice material,twice efficiency)*professional 6-pin PCI-E connectors for hi-end graphic cards,Supports SLI and Cross Fire dual ... , i7 , AMD microprocessors and so on. *After service has safeguard. high quality 400w atx power supply/ PC-Power Supply