80mm fan case fan rotations per minute 1 700 rpm max noise emission 18 db volume flow 357 mh airflow 2101 cfm dimensions wxhxd 80 x 80 x 20 mm width 80 mm height 80 mm depth 20 mm fan bearing sleeve bearing operating power input 144 watt series noiseblocker blacksilent port 3 pin leaf colour blue frame colour black