Fractal Design Venturi Hf-14 (140mm) Computer Cooling Fan The Venturi High Flow Series fans, HF-12 & HF-14, are optimized for low-restriction airflow environments, making them an excellent choice for computer case fans, or other low-restriction usage scenarios. Designed with a variety of performance-increasing & noise-reducing features, these fans can move an amazing amount of air compared to other fans at the same, minimal noise level. The HF-14 comes with two sets of solid vibration-dampening rubber corners: one for standard 140mm fan hole spacing (125mm) & one compatible with the standard 120mm hole spacing (105mm). The Venturi High Flow Series fans are ideal for those looking for a perfect balance between high performance & low noise built from sturdy, high quality materials. Key features Featuring true FDB-bearings, providing silent operation coupled with a long lifespan Equipped with a counter-balanced magnet that reduces the axial tension on the bearing Features integrated vibration-dampening corners, made from solid high-quality synthetic rubber Dense, sturdy construction, made from high-grade glass reinforced fiber reinforced thermoplasticpolymer Fan geometry is optimized for a ground-breaking airflow, perfect for low-restriction usage scenarios such as computer case ventilation & low-density heatsinks or radiators. Aerodynamically shaped thin stator struts reduce noise & unwanted turbulence Strategically placed notches on the blades further reduce & diffuse any humming noise produced when the blades pass the stator struts The trip wire technology introduces a micro-turbulent layer that combats elements that negatively affect performance, resulting in quieter operation Featuring a powerful motor to maintain a reliable speed & a low-speed adapter for reducing the speed without the use of a fan controller 140mm fans come with an additional set of vibration-dampening corners are included that lends compatibility with 120mm fan mounts (105mm screw spacing). This enables the use of 140mm fans on many CPU coolers. Available in 120mm & 140mm fan sizes Specifications Fan HF-14 Size [mm] 140*140*25mm Screw hole pattern 125*125mm 105*105mm Connector 3-pin fan header Bearing FDB Number of blades 11 Rotational speed [RPM] 1200 Acoustical noise [d B (A)] 26.5 Maximum air flow [CFM] 118.2 Maximum air flow [m 3 /h] 200.8 Maximum pressure [mm H 2 O] 0.95 Actual input power [W] 2.2 Maximum rated input current [A] 0.3 Nominal input voltage [V] 12V Minimum startup voltage [V] 4V Low speed adapter speed 850 RPM Low speed adapter Static pressure 0.59 mm H2O Low speed adapter Air flow 78.5 CFM 133.4 m 3/h Low speed adapter Noise level 18.3 d B (A) MTBF [hours] 150, 000 Unit weight [g] 202 Package weight [g] 260 Cable length [mm] 500 Cable type Braided all-black ribbon wire