Bottom Mounted Psu On Carpet

When intel designed the atx form factor the power supply fan was designated as the primary case fan.

Bottom mounted psu on carpet.

This is typically at the bottom of the case in most modern chassis designs. Extra cables are easier to manage as they lay on the bottom. To figure out whether your psu fan needs to point up or down start by looking over your pc case. You have to have space under the case though and be careful on high carpet.

Deciding on whether to mount your psu either facing up or down depends entirely on a few factors namely case design airflow with other fans and the power supply unit itself. On a correctly oriented bottom psu it pulls cool air from the bottom and blows out the back. Determine where the psu is intended to fit. Once you ve located where the psu will sit check the case for any grills or vents directly beneath this location.

Psu s mounted on the top have to draw air from inside the case. My computer sits on my desk and imo i would never set a computer on carpet. A top mounted psu is like a 2nd exhaust fan but if you want it to run cooler go with a bottom mounted psu. Avoid placing case on carpet for bottom mounted psu with fan down never put your computer case on the carpet when you have a bottom mounted psu fan facing downwards.

My psu is mounted in the bottom of my case a tj07. The carpet will block the airflow to the psu and in worst cases if you have no psu fan filter installed then the small fiber particles from the carpet can get deposited inside. Being placed at the top of the case a power supply could. Mounting a psu in the top of the case should be ok as long as it vents to the top.

The problem of bottom mounted power. A bottom mounted psu keeps the psu cooler not the case.