Cooling Fan-QFR1212GHE-PWM, 120 x 120 x 38 mm, Speed: 6000 RPM, Max. Airflow: 210 CFM, Max. Air Pressure: 29.18, Noise: 64 dBA 6000 RPM, 210 CFM (Mini. 189.34 CFM), 5.957 (Minimum 5.361) Cubic Meter/Minute, 64 dBA (Max. 68 dBA) 1.8A (Max. 2.7A), 21.6W (Max. 32.4W) 29.179 (Minimum 23.635) mmH2O, 1.170 (Minimum 0.945) inH2O Current shuts down when rotor is locked; Full speed after 10 seconds of low speed at start; PWM 4 pin connector, Ball Bearing Please contact Tech Gears 4 Me for any questions, thank you!