ThinkPad SL Series notebooks feature Intel Core 2 Duo processors. Notebooks with Intel Centrino Core 2 Duo technology helps keep your workforce mobile, managed and secure. And with industry-leading performance, you'll get faster wireless connectivity speeds and the longest possible battery life. Free up your workforce and experience mobile computing without limits. ThinkPad SL series gives you best-in-class audio and video with the HDMI port standard on all models. ThinkPad SL protects your investment and your valuable data with several reliability features. Its Active Protection System protects your hard drive when sudden movement is detected. Its spill-resistant keyboard protects the internal components of the ThinkPad SL by funneling spilled liquid to a drain hole in the bottom of the system.