Hi i need to know what psu is going to be the best on my pc i am planning. crosfire two amd 7770 ghz the oc edition with vapor x tecnology as a mobo the asus p8z77 v pro and the intel core i7 3730k 3.5 ghz and maybe overclok it to 4.1as cooling the corsair h100i. The psu i have in mind is the corsair tx850w the one that is not modular. It would be really helpful if you can post the wattage of each part thank you .
A 550w unit is really all you need for two 7770's. running two low end cards usually yields pretty poor performance gains though. I'd really recommend saving that $100 for a 760, or even a 7870 with a Tahiti chip instead.