I recently installed Proxmox 8 in a homelab. I had used Proxmox 7.x in the past and easily configured PCI passthrough - passing a disk to a virtual Proxmox backup VM, etc.
I have 4 HP Z series machines - the latest being a Z6 G4. I had used the other 3 (Z440, Z240, Z230) with Proxmox 7 and...