Fan Size 140mm x 25mm Bearing Type Magnetic Levitation Flow Type Static Pressure Operating Voltage 10.8V - 13.2V PWM Control YES Fan Model ML Series Weight 0.235 Package Quantity 21 Speed 400 - 1200 RPM Sound Level 20.4 dBA Power Draw 0.2 A Static Pressure 1.27 mm-H2O Fan Airflow 55.4 CFM