Hmm interesting on GamersNexsus it says A78 supports PCI-E 2.0 but on gigabyte's website they say "To support PCI Express 3.0, you must install an FM2+ APU." So I guess the A78 can support PCI-E 3.0? (http://www.gigabyte.us/products/product-page.aspx?pid=4875#sp)
Anyway thanks for the help!