Quote Originally Posted by =>WiLL<= View Post
Yes, and also to have the PSU sit upright, the way it would be if mounted at the top of the case. Not only does it allow the stickers/labels to be read properly, but also vents the hot air from the PSU outside of the case, rather than inside.
Doesn't the hot air usually blow out the back anyway since the fan is actually pulling from inside the case to vent out the back?