120mm fan case fan rotations per minute 1 200 rpm max noise emission 177 db volume flow 1026 mh airflow 6039 cfm dimensions wxhxd 120 x 120 x 25 mm width 120 mm height 120 mm depth 25 mm fan bearing hydro dynamic bearing series cougar vortex mtbf 300 000 hours ports 3 pin 4 pin leaf colour orange frame colour black