XtraDrive for MemoryStick & MemoryStick Pro Turn Standard Flash Memory Into A Thumb Drive Reads up to 1 GB *Memory Card Not Included XtraDrives have a cool gem-tone colored, transparent cap that allows the user to see if a media card is installed. XtraDrive package also includes a USB adapter cable. The 18 cable is great for situations when slots on the computer are too cramped for space.