Assuming one has a motherboard with 3 or 4 fan headers ( like mine has ), and one uses fans with 3 pins at least, then there is no need for a fan controller- just use the software that comes bundled with most motherboards these days ( or download some ) to set fan profiles. Behold, the front / top of your case doesn't need to be cluttered with extra knobs & switches and looks a lot cleaner as a result...