Have to agree, totallyMikeTimbers said:Tagan TG580-U15 580W ATX2.01 Easycon SLi Compliant Modular Silent PSU (CA-009-TG)
I got the 430W version as an RMA replacement for an Antec Smartpower (2 doa in a row!) and it's modular, quiet (silent, TBH) and the rails are spectacular.
