I used a USB key for the 1st option (recovery) and tried both USB key and USB hard disk with the same result for the 2nd option (drivers).I've also tried 1st option with an old SATA disk and plugged it as usb using a sata-to-usb dock. It worked fine ...
For me the 1st option works (creating the usb key for restauration), but not the 2nd one (for the drivers) because it crashes when trying to access the usb key...it looks like a beta release, not really good tested ! Or it's due to the fact that I've...