Recently I had upgraded my Proxmox VE instance to Hetzner's AX52 platform (Ryzen 7 7700 on Asus' Pro WS 665-ACE mobo on BIOS v1711) with 128 GB (non-ECC) RAM and 4x 1TB NVMe storage.
I installed Proxmox VE 8 as Proxmox-on-Debian using the wiki page for it...