ThinkPad X series Gigabit LAN introduced on some models, IBM Security Sub System on some models. Specifications: Three years after the release of the X30, upon acquiring the ThinkPad division, Lenovo released the ThinkPad X41 ultraportable laptop and the ThinkPad X41 tablet. The X41 tablet was convertible, with the capacity to function as a tablet PC and an ultraportable laptop. The X32 was introduced in 2005. The numbering system was a bit confusing, as it was actually introduced after the X40, but using the older X3x chassis design. It was also a bit more powerful than the X40 and X41 units, due to
ThinkPad X series to be available in the UK on June 7, 2011. The specifications of the ThinkPad X1 laptop are given below: The ThinkPad X-series laptops released in 2012 by Lenovo were the X1 Carbon, X131e, X230 and X230t (tablet). In the T, W, and L series the models Thinkpad T430, T430s, T530, W530, L430 and L530 were also released. In early August 2012, Lenovo released the ThinkPad X1 Carbon announced on .<ref name="release X1 Carbon,X230,X230t,T430,T430s,T530,W530,L430,L530,Series 3/USB 3.0 Dock"></ref> The X1 Carbon weighs 1.35 kg, has a battery life of roughly eight hours, and has a start-up time of less than 20