Good point, your best bet is to contact the mfg technical support and ask them directly. Most do, as a safeguard.
Thumb drive, wish I had an answer for you. I know the older ones were not very efficient. What I need to do is sit down and find a realistic solution. It's not rocket science, finding the right components at a reasonable price is crucial. Until recently I was the only one on here interested this sort of stuff. Time to do some digging.