120mm fan case fan rotations per minute 1 500 rpm max noise emission 224 db volume flow 6008 mh airflow 3536 cfm dimensions wxhxd 120 x 120 x 25 mm width 120 mm height 120 mm depth 25 mm fan bearing liquid bearing operating power input 396 watt series silverstone air penetrator mtbf 50 000 hours port 3 pin led colour green leaf colour transparent frame colour silver