500w PSU for 7870?

ShinobiSamurai

Honorable
Apr 5, 2013
12
0
10,520
Short story is. I have a 7870 Direct CU II I want to use but I have a 500w (What they said was more than enough) corexstream PSU but im sort of scared my computer would blow up lol, reason is, is because my CPU is demanding apparently.(Phenom II 965 x4 BE) so do you think I'll be fine? Thanks :D