Consider a Asrock Deskmini 110 or the newer 310 it is only a little bigger than a NUC and cheaper.
The advantage of the Deskmini is that it useses a desktop CPU. The Stock desktop cooler is pretty quiet. Definitely quieter than a NUC. I have been running one for a year now.
I wrote about it here:
https://community.roonlabs.com/t/mock-tell-us-what-strange-gear-youve-installed-rock-on/26349/19?u=rune