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 Tablet take advantage of the Tablet's touch capabilities. This feature could be used to transfer data between USB devices, internal storage, or an SD card. Slashgear summarized the ThinkPad Tablet by saying, "The stylus and the styling add up to a distinctive slate that doesn’t merely attempt to ape Apple’s iPad." The ThinkPad Tablet was discontinued upon the launch of the Windows 8-based ThinkPad Tablet 2 in October 2012. At the same time, Lenovo discontinued the use of Android on its ThinkPad-branded tablets; subsequent models, beginning with the Tablet 2, have exclusively used Windows as their operating system. David Hill of