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
Lenovo United States for the first time. Lenovo is the world's largest personal computer vendor by unit sales from 2013 to 2015. In 2016 Lenovo shipped an estimated 55.5 million PCs, for an estimated 21.3% market share, according to market research firm International Data Corporation. For the fiscal year ending March 2016, the company reported revenue of USD$44.9 billion. The company's expansion was boosted in part by a joint venture with NEC in Japan called Lenovo NEC Holdings. Lenovo was able to reclaim its top spot in PC market share 2018. In 2009, China Oceanwide Holdings Group, a private investment firm