It’s hit or miss for me. It loaded ~1,110 roms in less then an hour, but that is only 50% of the library on my USB. Now it has spent +14 hours and it has transferred less than 10 roms. I’ve rebooted and it doesn’t help. I agree; it gets hung for some reason. the slow rom transfer isn’t a function of it moving bigger files, and I still have plenty of free space on the sd card… I think it is a bug. I might report the issue on the GetHub page if others have noticed this too. Godspeed and happy gaming.