Arm64/Riscv64/Loongarch64 are ok.

There is a detailed introduction in the wiki.

• Rockpi (arm64)
• Raspberry Pi (arm64)
• Amlogic TV box (arm64)
• Kunpeng (arm64)
• FT (arm64)
• Ampere (arm64)
• Apple (arm64,vm only,no kvm support)
• 3A5000/3A6000/3C5000 (loongarch64)
• VisionFive2 (riscv64)

Detailed: https://github.com/jiangcuo/Proxmox-Port/wiki/Support-List

arm64

riscv64

loongarch64

If you are using server that supports EFI,you can install proxmox-ve with iso.

https://mirrors.apqa.cn/proxmox/isos/

If you are using u-boot device or failed with iso, you can install proxmox-ve from repo.

Head to the wiki page to learn more.