Drive Letters by USB Speed
Since V5.0 the USB connection speed and the maximum speed of a USB drive can be use as criteria like so:
[DriveLetters]
UsbSpeed=High-Speed
Letters=H
[DriveLetters]
UsbSpeed=SuperSpeed
Letters=S
Probably it is most useful for customized balloon tips:
; USB SuperSpeed drive which is connected at High-Speed only:
[BalloonTipsOnArrival]
UsbSpeed=Low-Speed
UsbSpeed=Full-Speed
UsbSpeed=High-Speed
UsbMaxSpeed=SuperSpeed
Title=%FriendlyName% %BusType% %UsbMaxSpeed% Device at %UsbSpeed% - %DriveSize%
Text=mounted to %Root% ( %FsName% )