Case cooling is becoming more essential these days. The better airflow inside your system, the cooler and more stable system you will get. High Air Volume & Pressure. Sleeve Bearing Fan means longer life span. CE, CSA, UL, TUV approved Cooler Master fan. Fan Dimension 80x80x25 mm Fan Speed 2500 rpm Fan Airflow 32.11 CFM Fan Life Expectance 30,000 hrs Bearing Type Sleeve Bearing Voltage Rating 12V Input Current 0.15 A Input Power 1.80W Noise Level 25.0 dBA Connector 3 Pin (4 Pin adaptor is included) Weight 75g