Project: Proxmox Standalone GPU Passthrough Server Build

Date: May 31st 2025 Category: Virtualization / Homelab Build 

 

 Hardware Overview 

 

 

 

 Component 

 Model / Spec 

 

 

 

 

 Motherboard 

 Gigabyte B550 AORUS Elite AX V2 

 

 

 CPU 

 AMD Ryzen 7 3700X (8-core / 16-thread) 

 

 

 GPU 

 NVIDIA RTX 2070 Super 

 

 

 RAM 

 32GB DDR4 3200 MHz 

 

 

 Drive 1 (OS) 

 Kioxia 512GB NVMe Gen4 

 

 

 Drive 2 (VMs) 

 Inland 512GB NVMe Gen3 

 

 

 Host OS 

 Proxmox VE 8.2.7 

 

 

 Primary VM 

 Pop!_OS 22.04 LTS (NVIDIA ISO) 

 

 

 

 

 BIOS Setup for Proxmox + GPU Passthrough 

 Motherboard: Gigabyte B550 AORUS Elite AX V2 

 1. Enter BIOS 

 

 

 Press DEL repeatedly during boot to enter BIOS. 

 

 

 

 2. Load Optimized Defaults (Recommended) 

 

 

 Go to the Save & Exit tab. 

 

 

 Choose Load Optimized Defaults 

 

 

 Press F10 to reboot and re-enter BIOS. 

 

 

 

 3. Enable Virtualization (SVM Mode) 

 

 

 Navigate to: Tweaker → Advanced CPU Settings 

 

 

 Set SVM Mode → Enabled 

 

 

 

 4. Enable IOMMU 

 

 

 Go to: Settings → IO Ports 

 

 

 Set IOMMU → Enabled 

 

 

 

 5. Enable Above 4G Decoding 

 

 

 Also under: Settings → IO Ports 

 

 

 Set Above 4G Decoding → Enabled 

 

 

 

 6. Set Initial Display Output 

 

 

 Go to: Settings → IO Ports 

 

 

 Set Initial Display Output → PCIe 1 Slot 

 

 

 

 7. Disable CSM for UEFI Boot 

 

 

 Go to: Boot 

 

 

 Set CSM Support → Disabled 

 

 

 

 8. Resizable BAR Support (Optional) 

 

 

 Settings → IO Ports 

 

 

 Set Re-Size BAR Support → Disabled (recommended for stability) 

 

 

 

 9. Fan Control (Optional) 

 

 

 Smart Fan 5 Settings 

 

 

 Set profiles for optimal cooling: Silent, Normal, Full-Speed 

 

 

 

 10. Save and Exit 

 

 

 Press F10 , confirm changes, and reboot. 

 

 

 Now its time to install proxmox on the new setup.