It should be enough, its the Amps on the 12v rail that are important.
It has 45A which is bang on the mark for a 550W PSU.
A 600/620/650W PSU wont hurt and will provide more amp should you oc the CPU+card.
Have you any recommendations for a 650w fully modular psu?














) which is essential for me as I need to fit a blu ray drive. I do have an external one but if I'm going back to a desktop I think I would rather have one fitted. I am also a little concerned about how close the side panel is to the gpu power cables. Also that fiddly thing that holds the graphics cards in place looks a bit flimsy too.

but I think I might go for a mini itx board instead. All the other components will remain the same though with a possible slight change on the Hydro in order to fit it into the case.





