I spin up VMs on my gaming machine when I want to do home lab stuff -

32 GB Ram, i7 4790k, 512 GB SSD, 5 TB spinning Rust. I have a 9 TB NAS for stuff that is in storage/ backups/running large downloads, and a Thinkpad W520 with 12 GB RAM that I can copy Vms to if I need them on the go.