120mm fan case fan rotations per minute 2 200 rpm max noise emission 39 db volume flow 13322 mh airflow 7841 cfm dimensions wxhxd 120 x 120 x 25 mm width 120 mm height 120 mm depth 25 mm fan bearing ever lubricated bearing mtbf 40 000 hours port 4 pin weight 128 g leaf colour black frame colour black