120mm fan case fan rotations per minute 1 500 rpm max noise emission 21 db volume flow 98 mh airflow 5768 cfm statischer druck 145 dimensions wxhxd 120 x 120 x 25 mm width 120 mm height 120 mm depth 25 mm fan bearing sleeve bearing operating power input 18 watt series noiseblocker blacksilent mtbf 80 000 hours port 3 pin weight 120 g