The 13.3 inch Lenovo ThinkPad Ultra-Slim notebook is now available for purchase. The ruggedized business laptop measures 0.84 inches in thickness and weighs 3.7 pounds. It is the thinnest laptop in the ThinkPad series and meets 8 military ruggedness standards. The configurations that are currently sold have Intel's 2.5GHz Core i5-2520M or 2.1GHz Core i3-2310M processor and integrated graphics.