140mm fan rotations per minute 2 000 rpm max noise emission 407 db volume flow 184 mh airflow 108 cfm statischer druck 315 dimensions wxhxd 140 x 140 x 25 mm width 140 mm height 140 mm depth 25 mm fan bearing double ball bearing operating power input 386 watt mtbf 50 000 hours port 4 pin leaf colour black frame colour black