Power Supply Placement

[CMoney22]

I am upgrading my prebuilt with a new power supply, the power supply has to go on the top. Which way is my fan supposed to face. Up or down? My psu is a evga 500w 80 plus.

 

[Benab3]

Face the Fan down, it will be able to get a greater air flow.

 

[CMoney22]

Alright thx