Ahmadjon :
No it won't you'll be FINE!
Decent 650~700W PSU will be fine (XFX 650)
Thanks a lot! Ordering parts! Parts are: Core i5 3570 OEM, Corsair H100i, MARS 760 (Dual 760 card), 2x4GB Corsair XMS3 1600MHz and Corsair 750 watt 80+ Gold PSU. You made my birthday