120 mm silent case fan with 33 LEDs, fluid bearing and plastic heatsink. Runs at about 1,300 RPM with 2.4 W power draw and a rated life of 40,000 hours. Airflow up to 45 CFM and noise around 16 dBA; 120 mm x 120 mm x 25 mm (about 4.72 in x 4.72 in x 0.98 in). Compatible with computer cases - 3-pin or 4-pin power interface and 3-wire connection.