I gave in to my impulses and bought myself a small single board computer to be my power-efficient home server, here's how it went.
Building the Perfect Home NAS! - 16TB, 6W TDP, Ultra Quiet
ZimaBlade Review: Affordable Home Server SBC Is a Personal Cloud
Zimaboard: the closest thing to my dream home server setup
ZimaBoard - The Best Single Board Server for makers and geeks
How To Make a Tiny Home Server DIY Projects with Zimaboard
ZimaBoard: The Ultimate Single-Board Server Series
A MiniPC for the home server enthusiast Zimaboard! : r/MiniPCs
The Easiest Home Assistant Install I've Ever Done
ZimaBoard 432 - Pojedyncza karta dla serwera, Routera, Pojedynczy