PREMIUM DESIGN & TECHNOLOGY FOR SMALL BUSINESS This 15.6" Ultrabook™ focuses on details like the new TrackPad that's optimized for Windows 8 with enhanced multitouch gestures, backlighting and numeric pad on our award-winning keyboard, and Lenovo OneLink technology, which expands power capabilities and charges with a single cable. Stylish, Svelte Design. Premium Features. The S531 shell combines aluminum and magnesium alloy for both durability and lightness. A single unified hinge adds strength, while also enabling 180-degree opening so the Ultrabook lies flat or rests at any angle. Unique attention to detail like indented sides for carrying add convenience and style. Black ports and a sandblast finish top off the design embellishments on the S531, which is available in both Silver and Gunmetal. New Lenovo OneLink Technology Get more from your power cable! OneLink technology is a unique interface that simplifies connectivity through a single cable to the ThinkPad OneLink Dock, which provides dedicated video, USB 3.0 ports, Gigabit Ethernet, and audio—all while charging your notebook. Award-Winning Backlit Keyboard Further Enhanced for Windows 8 Full-sized and spill-resistant, the legendary ThinkPad ergonomic keyboard is renowned for its full array of keys, excellent feel, and TrackPoint® pointing device. And now it's optimized for Windows 8 with convenient multimedia buttons, LED status indicators, function-lock capability, and immediate access to view apps. Plus, a larger, smooth TrackPad with 5-point click integration can be configured multiple ways through Settings. The backlight option makes working in dark environments effortless. Long Battery Life Stay unplugged all day—up to 9 hours—with the standard 4-cell 62.8Wh battery. Superior Web Conferencing / Voice-Over IP (VOIP)-Optimized A low-light sensitive 720p HD webcam with wide-angle viewing and face-tracking, along with dual noise cancelling microphones deliver crystal-clear private and conference mode VOIP meetings. Plus, convenient multimedia keys provide quick and easy access to microphone, speaker, and camera controls. Integrated Fingerprint Reader Available Get quick, convenient access and secure login with one swipe. Dolby Home Theater & JBL Built-In SpeakersEnjoy a crisp, clear surround sound experience with the latest in audio technology—increased audio clarity for VOIP applications, maximized volume output without distortion, and improved dialogue clarity when watching videos. Lenovo Cloud Storage Protect your critical data, while also making access to information and file-sharing quick and convenient. Automatically back-up and synchronize data across the organization, while enabling access from multiple devices. Data is encrypted on transfer for an extra level of security. Fast Data Transfer Move data quickly between the S431 and other devices with USB 3.0, which enables file transfer up to 10 times faster than previous USB technologies, allowing for lightning-fast copying of large media files, as well as seamless connections between audio- and video-related peripherals. Backward-compatible with USB 2.0 devices.