Connect the HP External USB (Universal Serial Bus) DVD/RW to any available USB (Universal Serial Bus) port on your PC to get immediate read/write access to your optical media. ** Features** Back up your data, move files, enjoy your multimedia, & read & write CDs & DVDs 2 to your hearts content with a compact external ODD. 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 & youre ready to go. No additional AC adapter is required. Enjoy the reassurance of a one-year parts replacement limited warranty.