My build spec:
CPU: FX-8350 (not OCed)
GPU: R9-280X (not OCed)
RAM: 2x4GB Corsair vengeance
HDD: 2x2TB WD Caviar green
Optical: DVD-RW Drive
Mobo; Gigabyte 970a-ds3
I'm thinking 750 watts should be enough, but not sure. Any help would be appreciated.