I had the same issue with a cheap Orico that identifies as a Toshiba device ID 0080:a001. In UAS mode it would work for a couple of seconds and start to fail,

I had the same issue with a cheap Orico that identifies as a Toshiba device ID 0080:a001. In UAS mode it would work for a couple of seconds and start to fail, dropping transfer speed to a couple of hundred kB/s