The Lenovo Think Pad L440/L540 is designed to be the Best value Think Pad. It answers the demand for a 14 or 15 reliable, value performance Think Pad, optimized with core function. The L Series offers over 13 hrs of battery life & a full range of ports & connectivity at an affordable price. Rounding out the experience are the latest Intel Core i processors, v Pro option for full manageability, an expresscard or smartcard, & Dolby Audio. In addition, L Series is Lenovo Greenest Think Pad for eco-conscious customers. Best value & Performance Think Pad Best Entry Price points Think Pad Durability & Milspecs 4th Gen Intel Processors Hi Resolution Displays Industry-wide acclaimed keyboard & trackpoint Longer Battery Life 13+ hrs Better Graphics Up to 1 TB storage 3G & 4G connectivity Dolby sound & Lync certification v Pro & full manageability Still the Greenest Think Pad / Eco-friendly.