which power supply?

[p3drojun]

-core2quad Q9550 (will run at stock 2.83Ghz)
-motherboard ASUS P5Q PRO
-Radeon HD 4870 512Mb
-2 x 4Gb 1066Mhz

should I get 600W? 650W? 700W? 750W?
and, is there another important specs of power supplies that i should search for?

(wont be doing any overclock)

 

[yh125d]

any 500W or higher PSU from Corsair, PCP&C, Silverstone, Seasonic, or a couple others will be fine if you're sticking with a single video card. if you're thinking about adding another 4870 in the future I'd get something 550w+ to be safe