I always worried that if i kept my PS4 laying horizontally that it would overheat because i felt like i wasn't suppose to be that way (where the fan blows out the hot air i saw that underneath it you see some of the texture that's apart of the PS4 has i guess faded away from the heat that you can see where it builds up when it blows out.). though it's prolly silly i enjoy it vertically it takes up less space and i dont have to worry about a build up of heat as much. definitely keep wiping off any dust