ThinkPad X series the presence of a 12.1-inch Thin-film transistor (TFT LCD) display. These design values – thin and light – continued to be a part of the ThinkPad X-series laptops even after the purchase of IBM’s Personal Computing Division by Lenovo. The first X Series ThinkPad released by Lenovo was the X41 in 2005. The ThinkPad X-series laptops from Lenovo were described by Trusted Reviews as combining an ultraportable's weight and form factor with a durable design. The X-series laptops include traditional ultraportables, as well as convertible tablet designs. According to Lenovo, the ThinkPad X-series laptops include low power processors, offer long
ThinkPad Tablet its side it has a full size USB port. According to Lenovo, eight major security vulnerabilities typical for tablet devices have been addressed in the ThinkPad Tablet. These are: According to Matt Kohut, the ThinkPad Tablet is the industry's first business-class Tablet because Lenovo is "the only vendor who can provide a full suite of services to make our customers more productive and secure." He substantiated this by discussing the warranty on the ThinkPad Tablet, ThinkPad Protection, custom 'images' and asset tags. The warranty on the ThinkPad Tablet was a standard one year which could be upgraded to three years.