140mm fan case fan rotations per minute 1 500 rpm max noise emission 246 db volume flow 1402 mh airflow 8252 cfm statischer druck 208 dimensions wxhxd 140 x 140 x 25 mm width 140 mm height 140 mm depth 25 mm fan bearing sso2 bearing operating power input 156 watt mtbf 150 000 hours port 4 pin weight 370 g leaf colour brown frame colour beige