Originally Posted by newtekie1
The GTX460s are going to pull about 120w each and the GTX470 will pull about 180w under load.
I assume you are doing something like folding with them 24/7 or something. If it was a more generic 750w I'd say don't risk it, but the Corsair 750TX should handle it.
That PSU should handle it.
May be go on to Corsair's website and use the tool to decide which PSU it recommends?