On sale! (normally $19) The FQ141 represents SilverStone’s pursuit of a design that balances performance and tranquillity. Its included PWM module allows the motherboard to control fan speed and regulate the temperature inside your chassis with optimal efficiency. It pushes up to 62.0CFM and has custom designed dual fan blades for increased air pressure performance without additional noise. These features not only improve ventilation but also decrease operating noise.