At 6.2 lbs., the Satellite M45 is highly mobile, outperforming many desktops with technology designed specifically for mobile PCs. All systems include a 15.4" wide-screen TruBrite display to make images brighter and more vivid. Push this machine as far as you want; it can take it! Enjoy notebook-optimized Intel Centrino Mobile Technology, Microsoft Windows XP Operating System, hard drives to 100GB hard drive, and integrated high speed wireless LAN, all in one sleek chassis. The DVD-SuperMulti optical drive reads and writes to the most popular CD and DVD formats, making it perfect for movie making, or file archiving and exchange.