92mm fan case fan rotations per minute 1 800 rpm max noise emission 174 db volume flow 554 mh airflow 3261 cfm statischer druck 198 dimensions wxhxd 92 x 92 x 25 mm width 92 mm height 92 mm depth 25 mm fan bearing liquid bearing operating power input 204 watt series be quiet shadow wings 2 pwm mtbf 300 000 hours port 4 pin weight 106 g nominal current 008 a leaf colour black frame colour black