Add additional chassis cooling with a 92mm ball bearing fanthis quiet dual ball bearing 925cm case fan offers a cost effective solution for replacing a non functional or noisy fan in your pc powered through a simple tx3 connection to the host computer power supply the 8cm case fan helps keep your computer running at optimal temperatures for stable system performancequot a dual ball bearing design ensures reliability and longer life backed by a startechcom 2 year warranty and free lifetim