140mm fan case fan rotations per minute 750 rpm max noise emission 15 db volume flow 7713 mh airflow 454 cfm dimensions wxhxd 139 x 139 x 25 mm width 139 mm height 139 mm depth 25 mm operating power input 3 watt series enermax tb apollish mtbf 100 000 hours ports 3 pin 4 pin led colour blue leaf colour blue frame colour black