Not that i know off i have the asrock extreme 4 970 with an fx 8320 to and its pretty damm solid and i oc'd my fx 8320 to 4.4ghz and it didn't give me any problem.
asrock sucks for one reason there are not famous among people so the tend to say it sucks but i used to have a asrock gaming pc it kicked assed it can even play crysis 3 on ultra settings so asrock does NOT SUCK !!!!!!