Corsair AF120 Quiet Edition Twin Pack. Performs at 1100rpm, 39.88cfm airflow, 0.5mm/H2O static pressure and 21dBA operating volume. The Corsair Airflow series is designed for maximum airflow performance to keep cool air flowing through your case. Designed to keep a steady flow of air without high noise output, the Quiet series is a great solution for a quiet PC system that still requires plenty of airflow. Includes 3 different colour trim inserts, mounting screws, voltage stepdown adapter and 3pin fan connector. Backed by a 2 year warranty.