Connect the hp external usb dvdrw to any available usb port on your pc to get immediate readwrite access to your optical media features back up your data move files enjoy your multimedia and read and write cds and dvds2 to your hearts content with a compact external odd keep your workspace tidy and add an odd only when you need it connect the usb powered drive to any usb 20 or 30 port on your pc and youre ready to go no additional ac adapter is required enjoy the re