120mm fan case fan rotations per minute 1 800 rpm max noise emission 27 db volume flow 124 mh airflow 7298 cfm statischer druck 23 dimensions wxhxd 120 x 120 x 25 mm width 120 mm height 120 mm depth 25 mm fan bearing nb nanosli operating power input 324 watt series noiseblocker multiframe s