Guide: How to boot USB drives in VirtualBox

If you tinker alot with GRUB configs or Ventoy settings, booting your USB drive virtually can save some time and gold plated contacts. Here's how, for both EFI and BIOS mode.

https://korkman.github.io/ventoy-guides/boot-in-virtualbox/

(the methods have been covered before, but this guide is using VirtualBox's latest syntax and educates about hazards when dealing with raw disk VMDKs)