I am using a FX 6300 on a Sabertooth R 2.0.
With a Corsair H60 cooler ,with 2 Gentle Typhoon ,in push pull to out ,i could reach a 4,7Ghz on one module of the 3.
4,9Ghz was the maximum to allow me boot.Voltages were kept somewhere in the 1,44V area.
With a better cooler more voltage can be...