its well reviewedhttp://www.jonnyguru.com/modules.php?name=NDReviews&op=Story4&reid=134
and the GTX 570 recommends 38a on the 12v rail, the CM has 40a so would it be good enough? yes. would i personally get a bit more power? yes but that is my opinion. the CM 600w will power the GTX570 and obviously the GTX560ti.