Computer Fan Air Flow Direction. This article should help you. When looking at the fan so that the circular sticker with the noctua logo is facing you the direction of airflow is towards you and the sense of rotation is clockwise.
The rear or exhaust side the side that the air comes out of of our fans will always be the side that houses the fan motor. When looking at the fan so that the circular sticker with the noctua logo is facing you the direction of airflow is towards you and the sense of rotation is clockwise. Had some guy ask me which direction a fan worked this applies to most pc fans that you will see it does apply to the fan you were asking about doug.
You will also be able to identify the exhaust side as you will see power wires entering the fan motor.
This article should help you. Determining which way your psu fan should point the direction of the psu fan is crucial for airflow. Air should flow from front to back and bottom to top when mounting case fans air flows across the open side towards the side with the protective grille like so. A side mounted fan expelling or drawing in air in a direction perpendicular to the motherboard might be useful here but not all cases support that.
