PSU is an important part of a PC build. It controls the power of the system and keeps it from experiencing any kind of short circuit or other accidents. A good quality PSU can extend the life of your PC components. However, there is an active about the PSU. The burning question is which way should the PSU fan face? PSU Fan Up or Down.
There are multiple ways of mounting the PSU in your cabinet. Most of it depends on the placement of your PSU shroud. In this article, we will go over both ways of placing the PSU fan. The conclusions and choice can be your personal.
Best Way to Position the PSU
The primary motive of the PSU fan is to keep your system cool. The default way is to put the PSU fan downwards. Most cabinets are designed so that the PSU fans will face downwards. This done to make sure that it sucks in cooler air from outside, and sends the hot air from the PSU fan, outside the system. This maintains a cooler temperature in the cabinet.
This logic and reasoning has been questioned a lot. This is mainly done to keep the PSU fan down, and minimize the voice that the fan makes. It has also been found that facing the PSU fan down makes the system more efficient by maintaining lower temperatures. This makes the components more efficient.