Suitable for fans measuring 50 * 50 * 10mm, with a speed of approximately 5000 rpm, this fan has a relatively large airflow and is not a silent fan. The noise level is 26.0 dBA (at full speed). The airflow is 11.2 CFM. The voltage is 12V, and the current is 0.09A. The bearing is a single ball double-line bearing.