Arctic F12 12cm PWM Case Fan Black 9 Blades Fluid Dynamic up to 13.5K RPM 6 Year Warranty 120 mm PWM Case Fan     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 Perfect Case Fan Regulation With PWM   The PWM function allows the motherboard to run the fan precisely at its necessary speed. This guarantees the required cooling and minimizes the noise level. 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: 12cm Case Fan AMD/Intel: N/A Fan Connector(s): 4-pin #Hide#LED Lightin No Colour: Black Weight: 105 g Fan Dimensions: 120 x 120 x 25 mm Fan Controller: PWM Rotation Speed: 230 - 1350 RPM Fan Bearin Fluid Dynamic Bearing Air Flow: 53 CFM/ 90.1 m3/h Noise level: 0.3 Sone Power: Typical Voltage: 12 V DC Starting Voltage: 6 V Current: 0.24 A Additional Features: See Overview Package Type: Retail Package Weight: 0.1420 kg Warranty: 6 Years