Here is a small list of compatible ones. https://bitbuilt.net/forums/index.php?threads/portablizemii-compatible-usb-drives.2608/
I've tried the 32gb and 128gb Samsung USB3.1 ones(https://www.newegg.ca/samsung-model-muf-128ab-am-128gb/p/N82E16820147718) and had varying results. I would personally...