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 E series ThinkPad E series The ThinkPad E Series (formerly ThinkPad Edge) is a notebook computer series introduced in 2010 by Lenovo. It is marketed to small and medium-sized businesses. The Edge series of ThinkPad computers was introduced at the 2010 International CES in Las Vegas and became available for sale in April of the same year. For the Thinkpad Edge 13, a review on the Engadget web site said that even though, "it may not carry the premium features of [Lenovo Thinkpad] X301..., but for a budget ultraportable... [there is] little to complain about." Engadget also tested the battery life of