Windows 10: Lite Qcow2

: Pre-integrates VirtIO drivers into the image to ensure high-performance disk and network I/O, which is critical for QCOW2 stability in virtualized environments. Windows 10 guest best practices - Proxmox VE

The benefits of using Windows 10 Lite Qcow2 include: Windows 10 Lite Qcow2

Inside Windows: run → Optimize (TRIM for virtio‑scsi). Then on host: : Pre-integrates VirtIO drivers into the image to