The side of the PSU facing outside the case has a male, three-pronged port that a power cable, connected to a power source, plugs into.
N'akụkụ nke PSU na-eche ihu n'èzí ikpe ahụ nwere nwoke, ọdụ atọ nke nwere ike iji eriri, ejikọrọ na isi iyi, na-abanye n'ime.