Is this powersupply enouph for my future plans? (7870)

[TechnicEclipse]

Hey guys, im just wondering if this PSU that i own will handle all i want to do in the future?

system specs
Phenom ii x4 960T @ 3.6ghz (will push it to 4.0ghz when i get a new cooler)
(would also like to upgrade to a 8350 sometime in the future)
Gigabyte 970A-UD3
4x4 gb of Gskill Ripjaws 1600mhz ram
GTX 550TI (want to upgrade to a 7970 Ghz Ed.)
1tb WD RE4 HD
and
Seasonic G-Series 550watt 80Plus Gold PSU
(48 on 12volt rail)

 

[Mastashake15]

Yes that PSU is enough to power any of the Radeon HD series cards.

 

[TechnicEclipse]

Best answer selected by TechnicEclipse.