Damn, I must be a fan wimp then. It doesn't bother me when I am doing other things, but the minute I need it quite in my room to do homeowork on the computer, it drives me nuts. It has this high pitched noise to it.
Also, am I the only one that found the clip on this sink a real pain to use? It hold the sink on great, but it was a bear to put on in my rather tight case. Everytime I thought I had it clipped, it would pop off. Plus, it took a ton of pressure to get it to finally clip down, which I think chip the edges of the slug on my CPU.