its my first build and dont no what power psu to use my build has
4GB Corsair Vengeance
Intel Core i5-2500K
Sapphire Radeon HD 7850 OC
asus p8z68 v pro
Cooler Master Elite 430
Seagate Barracuda 7200.10 320 GB
and some good psu around $100.thanks for your help.