Features Back up your data, move files, enjoy your multimedia, & read & write CDs & DVDs[2] to your heart’s content with a compact external ODD. Enjoy the reassurance of a one-year parts replacement limited warranty. Additional support is available (North America only) seven days a week, 24 hours a day by phone as well as through online support forums. Keep your workspace tidy & add an ODD only when you need it. Connect the USB (Universal Serial Bus)-powered drive to any USB (Universal Serial Bus) 2.0 or 3.0 port on your PC[1] & you’re ready to go. No additional AC adapter is required [1] Compatible with Windows-based PCs only. See product Quick Specs for complete system requirements. [2] Don’t copy copyright-protected materials. Double Layer is a new technology. Double Layer media compatibility will widely vary with some home DVD players & DVD-ROM drives. Note that DVD-RAM cannot read or write to 2.6GB Single Sided/5.2 Double Sided-Version 1.0 Media.