I do understand that the Proxmox clusters and the like are more easy to manage in case of failure as well as more compact and sometimes more energy efficient, but I was curious if there are use cases in which just one bigger system is actively superior to it. Partially due to ​curiosity, partially because I have an old gaming PC that​ I love the case I put it in and want to ​really beef it up into a behemoth of a server.