wondering what psu to get

taiyaki04

Honorable
Dec 1, 2013
2
0
10,510
i got most of the parts and dont know what wattage of psu to get
the parts i decided to get are

core i7 3770k
gigabyte z77x-d3h
corsair vengeance 8gb x2 (16) 1600
Nvidia gtx 770 (gigabyte)
fractal design arc midi r2 (case)
hard disk and optical drive will be reused from earlier pc

saw a build with corsair ax750 and i think if i should go the same