Add additional chassis cooling with a 5mm ball bearing fan This versatile 5cm x 1cm fan is an ideal replacement fan for keeping your computer running cool. The fan can be powered through a TX3 connection, and features a dual ball bearing design that ensures reliable cooling and longer fan lifespan. The StarTech.com Advantage - Exhausts hot air out of a PC, increasing dependability and extending component lifetime - Cools your PC, increasing dependability and extending component lifetime - Comes complete with a TX3 to LP4 adapter