3-Pin fan with standard case   Long Service Life The Fluid Dynamic Bearing comes with an oil capsule that avoids lubricant leakage. Thus this bearing is as quiet as a sleeve bearing but comes with a significantly higher service life     Innovative Design Enables Quiet and Efficient Ventilation The innovative design of the fan blades improves the air flow and facilitates a highly efficient ventilation. The impeller was designed with a focus on minimzing the noise level yet delivering the desired airflow and pressure.     Two Way installation Blow warm air out of the case. Draw cool air into your case.   Specification Type: 8cm Case Fan Fan Connector(s): 3-pin Installation: Screws LED Lightin No Colour: Black LED Lightin - Weight: 71 g Fan Dimensions: 80 x 80 x 25 mm Rotation Speed: \"2,000 RPM (@ 12V DC) 1,200 RPM (@ 7V DC) 850 RPM (@ 5V DC)\" Fan Bearin Fluid-dynamic Air Flow: \"31 CFM / 52.7 m3/h (@ 2,000 RPM)\" Noise level: \"0.3 Sone (@ 2,000 RPM)\" Power: \" 12V DC, 7V DC & 5V DC\" Package Type: Retail Package Weight: 0.0900 kg Warranty: 6 Years