well i am posting this again since its 2014 and some other post are old and there is new products out there so i am in need of a closed loop liquid cooling unit so i can keep over clocking and keep things cool i dont mind my case is Corsair air 540 i have my Fx8350 overclocked to 4.6ghz at the moment and i want to go maybe 4.7 to 4.9 i currently have a 212 evo and the temps are ok and stable at 60c thanks