I use this PC manly for gaming and it is on all day every day and it is an absolute beast! It runs everything I have so far on high settings at 60fps, and the fans are very quiet. The lights are really cool except the red which is a bit dim but this is of no real significance because I think most people prefer blue anyway! The other thing is the on button needs to be pressed in a certain way to turn on for me, but I don't think this is for all of them anyway. All round, an amazing PC that I would 100% recommend for people who want a good cheap gaming PC!