120mm fan case fan rotations per minute 1 300 rpm max noise emission 1605 db volume flow 9774 mh airflow 5753 cfm statischer druck 264 dimensions wxhxd 120 x 120 x 25 mm width 120 mm height 120 mm depth 25 mm fan bearing hydro bearing series akasa ultra quiet port 4 pin leaf colour green frame colour brown