Here you go man......basically its used to power anything.....from led light sets and etc.....click on the link for the fans......
http://www.egrracing.com/shop/index....roducts_id=602
http://www.egrracing.com/shop/index....roducts_id=603
Just to let you know that you can get it way cheaper at RadioShack....all you would have to do is find the plug and solder it on.