I have no doubt that it will fit . But...
Both are tier 5 units on this list :http://www.eggxpert.com/forums/thread/323050.aspx
I suggest you look for a quality unit like Corsair, PC P&C, Seasonic, Antec.
A psu is the last place you want to go cheap on.
What will it need to power? An overpowered psu will be inefficient.