How much can i safely OC

[Vortex Hawk]

Ok so im about to buy a gtx 960. I want to OC it and i need to know what wud be a safe speed to clock it at so it runs without crashes and is perfectly safe.

Also i have an fx 8350 with an evga 500w psu so it shud be alright right????

 

[rgd1101]

every card is different try it a little at a time until unstable.
and the only perfectly safe is not oc.