Psu Question Corsair tx650

[Luca1]

The write up on the HX520 says 'Guaranteed compatibility with Dual GPU configurations' but the TX650 write up says 'Nvidia SLI ready'.. I am leaning towards the TX650 just to cover my but down the track but I will be getting a ATI 4870..

Just wanted to ask if the 4870 will be compatible with the TX650?.. Prolly a silly question but sumbody's gotta play the idiot here.. besides this first comp I build myself..

Oh and whats ATX power supply mean?

Any help would be awesome..

Thanks

[LuckyNV]

ATX is just a standard created by Intel
http://en.wikipedia.org/wiki/ATX

"Nvidia SLI Ready" is just a certification, doesn't mean it'll only work with Nvidia cards, it'll power an HD4870 fine