Add additional chassis cooling with a 80mm ball bearing fan this versatile pc case fan is designed to fit a broad range of computer case designs to circulate cool air into the case or exhaust warm air out preventing problems due to overheating components a quiet cooling solution the near silent 8cm fan features a brushless ball bearing design coupled with a high efficiency blade layout capable of moving 37 cfm of air this broadly compatible pc cooling solution can be powered through a simple l