Looking for storage that works across your USB Type-C and Type-A devices The SanDisk Ultra Dual Drive Go is the 2-in-1 flash drive that lets you easily move files between your USB Type-C smartphone, tablets, and Mac and USB Type-A computers. Now you can take even more photos and access them across your devices. (Mobile device requires USB Type-C port and On-The-Go (OTG) support. See SanDisk website for list of compatible devices.)