ThinkPad X series the presence of a 12.1-inch Thin-film transistor (TFT LCD) display. These design values – thin and light – continued to be a part of the ThinkPad X-series laptops even after the purchase of IBM’s Personal Computing Division by Lenovo. The first X Series ThinkPad released by Lenovo was the X41 in 2005. The ThinkPad X-series laptops from Lenovo were described by Trusted Reviews as combining an ultraportable's weight and form factor with a durable design. The X-series laptops include traditional ultraportables, as well as convertible tablet designs. According to Lenovo, the ThinkPad X-series laptops include low power processors, offer long
ThinkPad Tablet studies and sharpened pencils were used to study the appropriate length with users. The final pen developed based on this was 120 mm long. The ThinkPad Tablet was launched with an optional, dedicated . The folio offered a Lenovo keyboard and an optical trackpoint. The presence of this folio was appreciated by PC World as well, with the reviewer calling the folio the Tablet’s best feature. The folio was designed to offer users of the ThinkPad Tablet a typing experience similar to that of a ThinkPad laptop, as well as cursor control. The full-size keyboard on the folio reputedly offered