The Eaton unit is a UPS that’s connected to the whole setup. It works really well, I can recommend it.

The home server under my desk. Very professional, as you can see.

I donate 100€ to KDE every year. I consider it my “windows license”, since it was the DE that allowed me to escape from windows 7 years ago.

If I had to guess, the second curve allows the GPU to boost higher than the first one, so it generates more heat.