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As a result, the 3-lb. X1 Carbon may be the lightest 14-in. ultrabook on the market. It not only matches the weight of the 13-in. Dell XPS 13, but is 2 oz. lighter than the 14-in. Fujitsu Lifebook U772.
One thing I noticed: Although the system is light, its AC adapter is anything but. The X1 Carbon's power pack weighs a hefty 12 oz., nearly double the weight of the Lifebook U772's AC adapter. It adds up to a travel weight of 3.7 lb. -- 3 oz. heavier than the Lifebook.
The X1 Carbon measures 0.7 in. thick in front (matching the Lifebook), but moves up to 0.9 in. at the rear, making for a distinctive wedge-shaped profile. Overall, the system measures 13.0 x 8.9 in.
Inside is Intel's third-generation Core i5 3427U with battery such as Asus A32-1015 Battery , Asus Eee PC 1015 Battery , Asus Eee PC VX6 Battery , Asus Eee PC 1215 Battery , Asus AL31-1005 Battery , Asus Eee PC 1005 Battery , Asus Eee PC 1001HA Battery , Asus A32-F5 Battery , Asus X59 Battery , Asus AP32-1008P Battery , Asus AP31-1008P Battery , Asus Eee PC 1008P Battery processor along with 4GB RAM and a 128GB solid state drive (SSD); Lenovo sells the same configuration with 8GB RAM for $1,599. A model with a slower Core i5 processor is available for $1,249, while if you want a Core i7 3667U processor with 4GB RAM and Windows 7 Professional instead of Windows 7 Home Premium, a model is available for $1,579.
This being Lenovo, of course, keep in mind that these four base configurations are tweakable. For example, you can increase storage capacity to 256GB for an additional $280, and upgrade from Windows 7 Home Premium to Windows 7 Professional for $50.
Above the screen is an HD webcam for everything from shooting mini-movies to videoconferencing. As with other ultrabooks, there's no room for a DVD drive. While the X1 Carbon doesn't have its own docking station (a few ultrabooks, such as the HP EliteBook Folio 9470m, do), Lenovo is planning to sell a universal docking station sometime this month for $179 that will have five USB 3.0 slots, a pair of DVI outputs for monitors.