Startech.com 80MM Ball Bearing case FAN with, 4PIN, 3.14" x 3.14" x 0.98", 12 V DC.

The StarTech 8cm x 8cm x 2.5cm (3 1/8" x 3 1/8" x 1") 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 power tap that is connected to the large LP4 power connector on a PC's power supply.

Main Features:
Fan Speed: 3000 rpm
Connectors: 4-pin LP4
Material: Plastic Fan Enclosure
Fan Diameter: 3.15"
Height: 3.1"
Width: 3.1"
Depth: 1"
Weight (Approximate): 2.56 oz
Application/Usage: Case
Limited Warranty: 2 Year

WARNING: This product can expose you to chemicals including Di(2-ethylhexyl) phthalate (DEHP),which is known to the State of California to cause cancer. for more information go to www.P65Warnings.ca.gov