<b>Award-Winning Keyboard Further Enhanced for Windows 8</b><br>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 – indicated by subtle bumps and stripes – can be configured multiple ways through Settings.

Available optional backlight makes working in dark environments effortless.<br><br><b>Weighs 3.6 lbs</b><br>The ThinkPad T431s is the thinnest and lightest model in our T Series. Weighing in at 3.6 lbs and less than 21 mm at its thickest point, it's smaller than the diameter of a nickel.<br><br><b>Robust Security Features Including Intel® vPro™</b><br>Intel® Anti-Theft protection (AT-p) adds an extra layer of security and manageability incorporated with Int