Short answers to specific mini PC questions. Each one explains the reasoning, shows what we checked and where it came from, and marks what we could not confirm. Independent and unofficial.

Can two mini PCs form a Proxmox cluster?

Simple diagram of two mini PCs linked in a cluster with a third small quorum device

Two mini PCs can join a Proxmox cluster, but quorum needs a third vote. What the Proxmox docs say about QDevice, networking and when to skip clustering.