hi im planning to overclock my a8 5600k to 3.9 - 4ghz will this cooler be sufficient for it to run smoothly?
http://www.deepcool-us.com/product/ICEBERG_PRO/
That would be a good cooler for a modest overclock like that. Also you can take a look at the Cooler Master Hyper 212 EVO which will be about the same performance.