HP dvd1270E, DVD±RW, USB 2.0, CD, CD-R, CD-RW, DVD+R, DVD+R DL, DVD+RW, DVD-R, DVD-R DL, DVD-RW, 24x, 48x, 32x HP dvd1270E. Optical drive type: DVD±RW, Interface: USB 2.0, Disc types supported: CD, CD-R, CD-RW, DVD+R, DVD+R DL, DVD+RW, DVD-R, DVD-R DL, DVD-RW. DVD+R write speed: 24x, CD-R write speed: 48x, CD-RW write speed: 32x. CD-ROM read speed: 48x, DVD-ROM read speed: 16x. Power requirements: +5V+/-5%; +12V+/-10%, Minimum system requirements: 1024x768 px IEEE 1394 USB 2.0, Minimum RAM: 128 MB