Hi will this power supply work in a dell optiplex 755 desktop
https://www.newegg.com/global/uk/Product/Product.aspx?Item=N82E16817438038&cm_re=400w_psu-_-17-438-038-_-Product&nm_mc=AFC-C8Junction&cm_mmc=AFC-C8Junction-Skimlinks-_-na-_-na-_-na&cm_sp=&AID=10446076&PID=3987228&SID=1402X558040Xdc79fc32d6f5bc9ea098c45786031711
https://www.newegg.com/global/uk/Product/Product.aspx?Item=N82E16817438038&cm_re=400w_psu-_-17-438-038-_-Product&nm_mc=AFC-C8Junction&cm_mmc=AFC-C8Junction-Skimlinks-_-na-_-na-_-na&cm_sp=&AID=10446076&PID=3987228&SID=1402X558040Xdc79fc32d6f5bc9ea098c45786031711