Fan Adapter 60mm to 80mm Black.
This allows you to use an 80mm fan with a standard heatsink. Extremely light weight. Ideal in combination with slower turning 80mm fans, which move just as much air as the 60mm high speed fans, but are a lot more quiet. Or for added performance combine it with high-speed fans, which are still nowhere near as noisy as the the high speed 6cm fans. Comes with mounting screws.