In this situation it does not bottle neck but you are only using PCI-E X16 2.0. If you use a FM2+ Socket with a A6, A8, A10, or the brand new Athlon X4 860K processor you wil utilize PCI-E X16 3.0 for you graphics card. If you want to see a build that I did click the links
(Main build)> http://pcpartpicker.com/b/KB8dnQ
(Upgrade list)> http://pcpartpicker.com/user/Magnusson/saved/chWfrH
I do hope this helps out on what you are looking for!