I don't intend to run either at the same time, Plex will be in the evenings and the VM will be during the day, though this will also not be intensive either. Mostly for updating some PHP code and to get Ubuntu off my local disk.
Most of my media files are HVEC files so the i7 3770 will not be suitable? I also have an old 1050ti I could drop in to the board as well, if that will help transcoding or is that entirely the CPU? My current NAS has an Intel Atom D2701 and runs the HVEC files without issues. As for the i3, instead of Intel I could also go AMD on a similar board o