The upcoming Lenovo ThinkPad X1 series ultra-slim notebook has leaked on the website of a Swiss computer retailer called Tell IT.
The Lenovo ThinkPad X1 series notebooks are aimed at business users. They feature a ruggedized chassis design and meet 8 ruggedness standards. The notebook measures 0.84 inches in thickness and weighs 3 - 3.8 pounds depending upon configuration. It is also the thinnest laptop in the ThinkPad lineup.

The ThinkPad X1 NWK2NMZ (1294-2NG) model sold by Tell IT is powered by an Intel Core i5-2520M processor with integrated graphics. Other specifications include up to 8GB of RAM and a 160GB SSD.
The ThinkPad X1 is also the first ThinkPad to feature a damage-resistant Corning Gorilla glass display which is outdoor viewable and has a 350-nit brightness. The 13.3 inch display has a resolution of 1366 x 768 pixels.
The ThinkPad X1 is the successor to the X300 series. It will reportedly get up to 5 hours of battery life. The battery life can be extended to 10 hours with an extra slice battery.