My advice would be to go for a 7th gen or upwards if your going intel as the processers igpu is what I would consider your minimum, secondly massgrave.dev should sort out your activation/licensing issues and also look into sunshine/moonlight for game streaming rather than steam link potentially
My experience is that enterprise drives are just noisy but anecdotally I had a hgst drive in my array that was particularly noisy and it ended up being the first to fail with bad sectors and be replaced