Shark Force 140 ARGB is SilverStone's 140mm size variant from our Shark Force series fans, which features integrated shark skin-like surface pattern on the fan blades for air to travel more smoothly over each fan blade to reduce noise and enhance airflow. Shark Force 140 ARGB is equipped with Fluid Dynamic Bearing (FDB) and 4 pin PWM control function, allowing for a smooth operation at a wide PWM range of 0~2, 200 RPM with high CFM and high static pressure figures. Shark Force 140 ARGB also features spectacular ARGB lighting effects which utilizes industry standard 4-1 pin connectors and modular cabling design that simplifies connection and management of cables.