The CORSAIR RS140 Dual Pack case fans offer a combination of efficient airflow and quiet operation. Designed with a fan diameter of 140 mm and a height of 25 mm, these fans are capable of rotating at speeds between 330 to 1700 rpm, providing an airflow range of 14.6 to 95.5 cfm. This flexibility allows them to cater to various cooling needs while maintaining low noise levels from 10 to 36 dBA. With the inclusion of Pulse-width modulation (PWM) support, users can enjoy optimized performance and energy efficiency, along with the added advantage of a Zero RPM fan mode for quiet operation during low-load scenarios. Featuring CORSAIR AirGuide technology, the fans facilitate directed airflow for improved cooling efficiency, while the magnetic dome bearing enhances durability. The package includes 4 mounting screws, making installation seamless and user-friendly. Whether for a gaming rig or a workstation, these fans ensure effective cooling without compromising noise, making them a choice for maintaining optimal system performance.