The Super Flower Megacool 120mm PWM Fan 1-Pack in black features a ball bearing and a maximum airflow volume ranging from 90 CFM to 151 CFM. With a fan diameter of 120mm and a maximum fan speed of 3300 RPM, this case fan from Super Flower is designed for optimal cooling performance. The 4-pin power connection and 12V voltage make it compatible with a wide range of systems, offering efficient and reliable cooling solutions for computers and other electronics. Packaged in a box, this unit is ideal for those looking to enhance their cooling system with a high-quality and durable fan.