I have something to read for you :
It is a request of me from earlier this year. The boards I mention in the opening post are no good choice. But the Asrock J500x or J5040 (the one I picked in the end) are. For my needs it is enough of everything. Even if some users here think the celerons are “heaters that can do math” ^^
On the other hand, the cpu is soldered to the board. No upgrade without switching the board either… Even the SODIMM ram needs to be replaced when switching away from an itx-board…
On the other hand, it is less energy consuming than using an old desktop cpu etc.
The pico-psu is just sweet 😊
Edit: fixed link
When your board owns a free pcie slot, you could also buy an extension card to use all of you m.2 ssd.