I’ve been watching some storage and homelab-themed videos and I heard there’s a lot of optimizations you can do to lower power usage - spinning the disks down, turning the machine on for a limited time, etc.
That doesn't work for me. The main server is constantly using the disks to record security cameras, run VMs 24/7, Plex, a web server, a VPN (so I can dial in to my local network remotely), and a lot more.