Antec Big Boy 200 - 200mm Tricool Computer Case Fan 3 Speed Fan- Current: 0.08A, 0.17A, 0.3A- Speed: 400 rpm, 600 rpm, 800 rpm- Airflow: 83 cfm, 108 cfm, 134 cfm- Noise: 24 dBA, 27 dBA, 30 dBA Rated Voltage -- 12V DC Operating Voltage -- 10.8V ~ 13.2V 3-Speed switch lets you balance quiet performance with maximum cooling