outside of the box on commercial PC designs. The ThinkPad X1 Extreme has a 15.6-inch display, the biggest of any ThinkPad that's not under the P-series umbrella, and the only one of its kind in ...

With the ThinkPad X1 Extreme ... It doesn't hurt that the display is big, too, at 15.6 inches. This makes the X1 Extreme the first model in the X1 series to come in a 15-inch form factor.