The Arctic P12 Silent 120mm fan generates airflow of 24 CFM at 1,050 rpm and a static pressure of 0.5 mm H2Oand is very quiet. The connection is made via 3-pin connector. Arctic installs a high quality hydrodynamic plain bearing. This not only guarantees quiet operation, but also ensures that the volume does not increase over time. With a huge warranty period of six years this shows the quality and reliability of the fan. Technical details:- Dimensions: 120 x 120 x 25 mm- Weight: 139 g- Material: Plastic- Volume: 0.08 sone (less 20 dB (A))- Speed: 1,050 rpm- Static pressure: 0.5 mm H20- Airflow: 24 CFM / 40.95 m / h- Voltage: 12V- Connection: 3-pin- Warranty: 6 years