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
ThinkPad Twist ThinkPad Twist The ThinkPad Twist is a 2-in-1 convertible tablet, that can function as a laptop and tablet released in 2012. The Twist is designed for business users and runs Microsoft's Windows 8 operating system. The Twist is built to Intel's Ultrabook specification. Its look and feel are consistent with other ThinkPad devices. The Twist has a flat smooth cover with a soft rubbery finish and a flourish of silver-colored material around the edge. The outer case has both Lenovo and ThinkPad logos. Notably, the dot in the ThinkPad logo's "i" pulses when the unit is powered on. The Twist