The DARKROCK R120 2 Pack 120mm Reverse Installed Infinite Mirror Design PC Fan features a unique reverse installed design with an infinite mirror effect, adding a stylish touch to your PC setup. These fans have a high maximum airflow volume of 46.7 CFM and a maximum fan speed of 1300 RPM, ensuring efficient cooling performance. The fans also come with a hydraulic bearing for smooth operation and an LED color option for customizable multicolor lighting effects. With a 3-pin connector and a compact size of 120mm x 120mm x 25mm, these case fans by DARKROCK are a reliable choice for enhancing your computer's cooling system.