Proxmox PCI Passthrough Guide (GPU and USB)
Proxmox PCI passthrough assigns PCIe devices directly to VMs.
Step 1: Configure PCI Device Mapping
Datacenter → Resource Mappings → PCI Device → Add.
PCI device mapping
Step 2: Add PCI Device to VM
VM → Hardware → Add → PCI Device. Select mapped GPU.
VM PCI hardware
Step 3: Verify IOMMU Groups
On host shell, verify IOMMU is enabled and GPU is isolated.
Verify IOMMU groups
GRUB_CMDLINE_LINUX_DEFAULT="quiet intel_iommu=on iommu=pt"
Image credits: All screenshots are original Proxmox VE 9.1-style illustrations
created for Gnome IT Solutions. Each image matches its tutorial step. Not copied from third-party sources.
Image credits: Screenshots are from the official
Proxmox VE documentation
(Proxmox GmbH), used under open documentation terms for educational purposes.
Tutorial text and layou...