Lenovo been produced and sold by Lenovo since 2005. ThinkCentre computers typically include mid-range to high-end processors, options for discrete graphics cards, and multi-monitor support. Similar to the ThinkPad line of computers, there have been budget lines of ThinkCentre branded computers in the past. Some examples of this include: M55e series, A50 series, M72 series. These "budget" lines are typically "thin clients" however. The ThinkServer product line began with the TS100 from Lenovo. The server was developed under agreement with IBM, by which Lenovo would produce single-socket and dual-socket servers based on IBM's xSeries technology. An additional feature of the server
ThinkPad Helix just that, a tablet jammed into a keyboard stand. Not the Helix, all put together, it looks very much like one piece of equipment. As just a tablet, it's a great size and weight, making it easy to hold." However, by the time of its release, that opinion had soured somewhat: "When we first saw the Lenovo ThinkPad Helix at CES 2013, it had us really excited. We thought Lenovo had finally cracked the convertible ultrabook, a design we've never been totally sold on. But that was months ago, in a pre-Haswell, 12-hour MacBook Air world. The ThinkPad Helix is