I am disappointed not to have buy Very effective, rather quiet I do not even hear the pump My core i7 4770k is pretty well cooled I have not yet tested in a game to rest but I make 25 ° is better than the original which cooled ventirade nothing by against my cpu is not overclock is the original frequencies 3.5 and 3.9 turbo mode For the price I think it remains appropriate in relation to the concurrency And for a bit near the same price we had to air ventirade Would recommend