Lenovo 40% of the market for Windows computers priced above $900 in the United States. The ThinkPad is a line of business oriented laptop computers known for their boxy black design, modeled after a traditional Japanese lunchbox. ThinkPads were originally an IBM product; they have been manufactured and sold by Lenovo since early 2005, following its acquisition of IBM's personal computer division. The ThinkPad has been used in space and is the only laptop certified for use on the International Space Station. The ThinkCentre is a line of business-oriented desktop computers which was introduced in 2003 by IBM and since has
ThinkPad X series i3 and AMD's E1/E2. All of the models are basically the same as the X130e, with some including SIM card slots for cellular network access and some including WWAN cards. The ThinkPad X Series laptops released in 2015 by Lenovo were the third-generation X1 Carbon and X250 during the CES congress. The ThinkPad X250 has a Broadwell processor. The X250 saw a return of separate trackpoint buttons, and it has only one RAM slot. A touch screen was available for this model. The X250 uses the rectangular power plug. The ThinkPad X Series laptops were released in 2016 by Lenovo