I am looking to take my Phenom II x4 to 4ghz. I have 2 questions is this cpu cooler good enough for the job, and will this block the ram slots on my motherboard. I have really tall ram (OCZ Reaper), and I do not want to have too take out 4gb of ram to make it fit.
More aboutm4a89td usb3 thermaltake frio
corsair H70... good cooler
If you are planning to buy the frio, then i would recommend you look at better ones around the same price range like tunq tower 120 extreme or for a few $ more maybe venomous X or megahalems or NH D14 or silver arrow... Frio is a good cooler but noisy (even at mid speeds) and doesn't cool like the others i have mentioned and i have never heard nor seen anybody clocking 4Ghz using it...
Edit - forgot bout your memory heatsink... the tuniq tower has the best ground clearance to its first heatsink fin...