Transcend's super-thin external CD/DVD burners are the perfect companion for today's thin and light laptops, netbooks and Ultrabooks. - 8x DVD±R, 24x CD-R/RW, 8x DVD +RW, 6x DVD-RW, 5x DVD-RAM, 6x DVD±R DL - Reads and writes Dual Layer discs - Includes CyberLink Power2Go software - USB powered (USB 2.0 ) - No external power adapter needed - Easy Plug and Play installation - Anti-slip rubber feet - Size (WxHxD): 148.0 x 142.8 x 13.9 mm - Weight: 246g - 2 year warranty System requirements: - Windows 8, 7, Vista or XP - Mac OS X 10.4 or later - USB port