While any USB 2.0 drive will work, we recommend a USB 3.0 or 3.1 drive . Windows 11 installs significantly faster on a USB 3.0 drive. The installation process involves copying gigabytes of data; a faster drive can cut your installation time from 20 minutes down to 5-10 minutes.
Because USB drives are measured in binary (where 1GB = 1024MB) and manufacturers often measure in decimal, an "8GB" drive usually only has about of actual usable space. windows 11 usb size
If you have a 16GB drive, you can easily repurpose it. However, you cannot put both installers on the same drive at the same time (unless you create a multi-boot drive, which is advanced). You will need to reformat it and switch the ISO files whenever you want to change versions. While any USB 2