You know wrong then. The entire CX line, except for the CX750, is known to be poorly built. Here:
http://www.overclock.net/t/1431436/w...y-a-corsair-cx
I mean seriously, it doesn't even meet ATX Hold-up time specs and is only rated to output full power at under 30c. The inside of any PC is going to be hotter than 30c, so it's never going to put out it's full power. Plus, low temp rated main capacitor and the rest are cheap Chinese crap? Just stay away from the CX line OP, it's not complete garbage but you can do better.