This Sony VAIO VGN-SZ491N/X laptop PC delivers intelligent mobile design while placing a priority on usability and performance. Coolly contemporary, it features a cutting edge black carbon fiber case for a fashionable look, which also helps to bring the weight down to 3.75 pounds. This ultra-durable housing is made of multi-layered carbon fiber, which is much lighter and stronger than the magnesium alloy used for most laptop computers. During the molding processes, a gel coat resin is applied to the carbon fiber casing of the Sony VAIO VGN-SZ491N/X laptop PC, exposing the multiple layers of carbon and providing a cool brushed look and crisscross pattern. Sony's VAIO SZ laptop PC's also take security seriously, employing a biometric fingerprint sensor and proprietary hard disk drive protection software to ensure your data is protected from unauthorized use as well as accidental damage. It also stores passwords to secure web sites you visit, so authentication and access are quick and easy - you only need your fingerprint.

This Sony VAIO VGN-SZ491N/X laptop PC is powered by the 2.16 GHz Intel Core 2 Duo T7400 processor. It also offers the revolutionary Hybrid Graphics System lets toggle between internal and external graphics chips, enabling you to choose lighter battery consumption or better performance depending on the situation. The integrated tri-mode 802.11 a/b/g wireless LAN enables wireless connectivity on the fly, while the integrated wireless Wide Area Network (WWAN) technology (with includes Cingular SIM card) helps keep you connected and productive when away from your workstation. This Sony VAIO VGN-SZ491N/X laptop PC features a 200 GB Serial ATA hard drive, 2 GB of installed RAM memory (maxing out capacity), Bluetooth wireless capability, long battery life (up to 4 hours with included standard battery), an ExpressCard/34 slot, a multi-format memory card reader, and an integrated camera with a microphone for easy video chatting over VoIP connections.

This Sony VAIO VGN-SZ491N/X laptop PC has a 13.3 inch LCD screen with anti-reflective coating has a widescreen 1280 x 800-pixel resolution. This XBRITE LCD provides higher brightness levels than standard displays, resulting in deeper blacks, brighter whites, true-to-life color, and razor-sharp detail. This Sony VAIO VGN-SZ491N/X laptop PC uses Sony's exclusive Hybrid Graphics System, which lets you set your graphics performance with a simple flick of a switch, enabling you to toggle between an internal graphics chip for optimal power consumption with excellent performance or an external graphics chip for even more robust performance. You can choose either the integrated Intel Graphics Media Accelerator 950 (with up to 224 MB of dynamically shared video RAM) and the installed NVidia GeForce Go 7400 graphics card (with up to 33 MB of shared video RAM).

This Sony VAIO VGN-SZ491N/X laptop PC includes a next-generation ExpressCard/34 card slot (in addition to a traditional PCMCIA slot), which lets you take advantage of thinner, faster, and lighter expansion cards for even more advanced wireless, networking, storage, and security features.