Startechcom replacement fans startechcom fan4x1lp4 this computer cooling fan from startechcom is a perfect addition or replacement pc fan for maintaining suitable operating temperatures within your computer casethe fan can be powered through a simple lp4 connection to the pc power supply and offers a dual ball bearing design to ensure quiet dependable operation it is backed by a 2 year warranty and free lifetime technical support startechcom fan4x1lp4 4x1cm lp4 replacement ball bearin