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 3.20 GHz) with 4 GB of RAM (up to 8 GB), SATA SSD or hard drive, Intel Integrated HD Graphics, USB 3.0, backlit keyboard, 802.11 b/g/n WiFi and an average of eight hours of battery life. The battery is internal and not removable, and there is no optical drive. The ThinkPad X1 laptop was released by Lenovo in May 2011. Notebook Review offered a positive opinion of the ThinkPad X1, saying that it was “A powerful notebook that combines the durability and features of a business-class ThinkPad with the style of a consumer laptop.” A 13.3" X1 ThinkPad was announced