Good i even use it but its somewhat broken in the ui Appartment.

Yes. Only would Love it would be syncable.

I personaly wanted to build my own. The J5040 ist a nice but very slow CPU. If your searching for a Power efficent CPU i can recommend this Video.

Bildung a Power efficent Home server

I use for my Server Just an i3 10th Gen and it is fast enough.

For English, I can recommend:
Linux Action News
Linux Unplugged
The Linux Experiment
He has even an lemmy community https://feddit.de/c/thelinuxexperiment_channel@tilvids.com

German: TuxRadio

I tried it for fun and yeah with my gear i can’t hear any difference really.