This PC case fan is an economically-priced add-in cooling fan designed to provide efficient cooling for your PC. Able to exhaust warm air out, or circulate cool air into the case, the FANBOXSL can help to eliminate overheated components and maintain peak performance within your system. Featuring an Ever Lubricate bearing design for longer life beyond similar featured sleeve bearing models, this quiet running fan offers up to 24.81 CFM (cubic feet per minute) of air. Power is supplied to the fan using a power tap connected to the large LP4 power connector on your PC's power supply.

The StarTech.com 8cm x 8cm x 2.5cm (3 1/8 x 3 1/8 x 1) Dual Ball Bearing PC case fan is an add-in cooling fan designed to fit most computers. It can be used to circulate cool air into the case or exhaust warm air out, preventing problems due to overheating components. A quiet running brushless ball bearing DC motor coupled with a high efficiency blade design is capable of moving 37 CFM (cubic feet per minute) of air. Power is supplied to the fan using a power tap that is connected to the large LP4 power connector on a PC's power supply.

The StarTech.com 8cm x 8cm x 2.5cm (3 1/8 x 3 1/8 x 1) Dual Ball Bearing PC case fan is an add-in cooling fan designed to fit most computers. It can be used to circulate cool air into the case or exhaust warm air out, preventing problems due to overheating components. A quiet running brushless ball bearing DC motor coupled with a high efficiency blade design is capable of moving 32 CFM (cubic feet per minute) of air. Power is supplied to the fan using a 3-lead TX3 connector that plugs into the motherboard and allows the system to monitor fan speed and operating status.