Motherboard connector for a cooling fan.

Circuit providing fan-speed feedback.

Fan bearing using a fluid film for smooth rotation.

Fan using ball bearings for rotor support.

Simple bearing using a lubricated sleeve.

Bearing supporting a cooling fan's rotating shaft.

Fan moving air outward from a rotating impeller.

Fan moving air parallel to its rotational axis.

Fan designed to force air through a narrow path.

Fan moving air across heated components.