Hey bros, I was wondering if 550 Watt should be enough to run this system and a Gigabyte GTX 770
i5 3470 (NO OC)
2x4GB Kingston HyperX
Gigabyte B75M HD3
2x HDD (I could just buy a 2TB HDD and give the other HDD to someone...)
And Gigabyte GTX 770
Also, the PSU I'm using is a Antec VP2...