Proxmox today announced their Proxmox Virtual Environment is now available for 64-bit ARM.
I tested it on my Ampere Altra Dev Platform—the same machine on which I've booted Windows on Arm the first time, messed with multiple GPUs, and most recently tested Houdini's native arm64 support.



Install was easy, as the Ampere Altra uses UEFI / ACPI for its hardware, meaning Proxmox didn't have to tailor it's ISO to specific platforms, like you have to do with Raspberry Pis and most SBCs using a Device Tree setup.

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Proxmox VE 9.2 now officially supports 64-bit ARM (arm64), with full support limited to NVIDIA Grace Hopper and Vera server platforms and best-effort support for other UEFI/ACPI-based ARMv8-A and ARMv9-A hardware. Device-tree-only SBCs like Raspberry Pi are not officially supported, though community UEFI firmware projects may enable compatibility. Jeff Geerling tested the install on an Ampere Altra Dev Platform, finding it straightforward via the graphical installer, though he encountered some issues running Ubuntu 24.04.1 VMs inside Proxmox on that hardware.

Proxmox officially supports Arm, with some caveats