ThinkPad UltraBay and earlier hot-swap functionality was essentially rendered difficult if not impossible. ThinkPad UltraBay UltraBay is originally IBM's name for the swappable drive bay in the ThinkPad range of laptop computers. When the Thinkpad product line was sold to Lenovo, the concept and the name stayed. Furthermore, it is used in some of Lenovo's own IdeaPad Y Series laptops. Introduced with the ThinkPad 750 series in 1995, this technology has gone through redesigns with almost every new generation of ThinkPad, which may lead to confusion. The following table gives an overview of the different UltraBay types, in which models they occurred
Lenovo Lenovo Lenovo Group Ltd. or Lenovo PC International, often shortened to Lenovo ( ), is a multinational technology company with headquarters in Beijing, China and Morrisville, North Carolina, United States. It designs, develops, manufactures, and sells personal computers, tablet computers, smartphones, workstations, servers, electronic storage devices, IT management software, and smart televisions. Lenovo was the world's largest personal computer vendor by unit sales from 2013 to 2015. It markets the ThinkPad line of notebook computers, IdeaPad, Yoga and Legion lines of notebook laptops, and the IdeaCentre and ThinkCentre lines of desktops. Lenovo has operations in more than 60 countries and