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 the Twist will still appeal to Lenovo loyalists, folks who trust ThinkPad's build quality and wouldn't be caught dead using any other keyboard. If you're more brand-agnostic, though, there are other Windows 8 convertibles with comfortable keyboards – not to mention, sharper screens, faster performance and longer battery life." Lenovo released the 25th anniversary Retro ThinkPad 25 in October, 2017. The design is different from any other recent ThinkPad, because it has the classic keyboard with a 7-row layout that many of the older ThinkPads had, and the logo has changed in colors. The last ThinkPad models with 7-row keyboard