k guys tried what you said but no hope this fan controller just doesent work on this fan so ill have to put up with the noise till i get a decent 4 fan contoller in a week or so.by the way nubius with this fan i noticed a 10c drop in temps so thanks for that,but could you tell me if you noticed a decent drop in temps from the heatsink you have alone without the tornado or did you not test this,as im gona get one next week if i can get another decent drop in temps,thanks again your anoying freind