And also get into proxmox. You can pass through part of your GPU into a “desktop” environment and also have another VM(s) running in the background. That way you can use your computer as normal with a type 1 hypervisor in the background.
Also get a mobo with 2 NICs. The fewer pcie cards you have the lower power draw.
My NVMe idle at 7w and my HDDs idle at about 15w I think. 45w is just for storage.