Yeah, should be ok with a 700+W PSU.
I've been running my rig off a Antec Quarttro 850W modular PSU.
Dedicated 12v rails for mobo and GFX.
I run aforementioned CPU on an Asus Sabertooth P67 Mobo with 16GB of Vengeance RAM, GFX is an older GTX470 from EVGA (HydroCopper version).
The PSU also powers six harddrives, two 18w water pumps and 12x 120mm fans