Lenovo IBM's interest in Lenovo fell below the 5% threshold that mandates public disclosure. IBM's Intel based server lines, including IBM System x and IBM BladeCenter were sold to Lenovo in 2014. Lenovo says it will gain access to more enterprise customers, improve its profit margins, and develop a closer relationship with Intel, the maker of most server processors, through its acquisition of IBM's x86-based server business. On 1 October 2014, Lenovo closed its acquisition of IBM's server division, with the final price put at $2.1 billion. Lenovo said this acquisition came in at a price lower than the previously announced
ThinkPad X series Windows 7 Enterprise. The specifications<ref name="Notebook Review - Lenovo ThinkPad X201/X201s Review"></ref> of the X201 are given below: The specifications of the X201s are given below: The X201 tablet, released in 2010, was criticized by Engadget for its lack of durability, protruding battery, and thick body, while praised for its performance. Notebook Review had similar views about the X201 tablet in terms of both performance and battery life while indicating that the display was superior to that of the X201 or X201s. The ThinkPad X-series laptops released in 2011 by Lenovo were the X120e, X220, X220i, X220 tablet and X1.