Phanteks PH-F140TS 140mm premium fans are designed using the unique Maelström concept technology. With its’ nine blades & MVB feature, it’ll produce a powerful yet silent downdraft airflow. Long lifespan & rotation stability is made possible with the UFB bearing, composed by MOSS & SSC systems. Speed adjustments can be done by using the QSA adaptors. The stylish octagon frame fits 120mm screw holes. PH-F140TS is setting a new standard of performance & compatibility. Fan Dimension 140 x 140 x 25 mm Type CPU cooler & Case Fan Bearing Type UFB bearing (Updraft Floating Balance bearing) Blade Geometry 9 blades design with M.V.B (Maelström Vortex Booster) Design Speed (R.P.M.) 1200 ± 10% rpm Speed with Q. S.A. 900 ±10% rpm Speed with Q2 S.A. 750 ±10% rpm Max Airflow 78.1 CFM Max Airflow with Q. S.A. 60.1 CFM Max Airflow with Q2 S.A. 45.1 CFM Acoustical Noise 19 d B (A) Acoustical Noise with Q. S.A. 15.2 d B (A) Acoustical Noise with Q2 S.A. 13.4 d B (A) Static Pressure 1.21 mm H2O Static Pressure with Q. S.A. 0.69 mm H2O Static Pressure with Q2 S.A. 0.45 mm H2O Input Current 0.15 A Rate Voltage DC 12V Input Power 1.8W MTBF MTBF > 150, 000 h. Speed sensor 3 pins Cable Length 400 mm Scope of Delivery 1x 140mm Premium fan 1x Patented Thermal Bracket. PH-F140 Fan accessory 2x screws with plastic washers for Thermal Bracket. 1x Quiet Speed Adaptor (Q. S.A.) 1x Ultra Quiet Speed Adaptor (Q2 S.A.) 1x 3:4-Pin Adaptor 4x Anti-Vibration Compensators 8x Anti-Vibration Rubber Pad