Includes one Zip 250MB USB Powered external drive with USB cable, stand, CD software and three 250MB Zip Disks * Includes three 250MB Zip Disks which non-starter kits don"t and reads and writes Zip 250MB. Can not read or write to 750MB Zip Disks * Comes with one CD user"s manual with additional applications, one CD containing Iomegaware software and a paper Quick Install Guide * Ultra-thin design for portability and use with multiple computers * Compatible with USB-enabled PC and Macintosh systems