Lenovo has released the world’s lightest 14-inch ultrabook, the Lenovo ThinkPad X1 Carbon. It is  is just 18mm thick and made out from carbon fiber and qeighing around 3 pounds.

The Lenovo ThinkPad X1 Carbon UltraBook featuring a 1.7 GHz Core i5-3317U processor, 4GB of DDR3 RAM, a 128 GB SSD, Intel’s modest HD Graphics integrated graphics, and a 14-inch display with a 1600 by 900 pixel resolution.

Price of Lenovo ThinkPad X1 Carbon UltraBook  start at a minimum of $1400.

Lenovo has announced the world’s lightest 14-inch ultrabook  (less than 1.36 Kg.) and just 18mm thickness, called the ThinkPad X1 Carbon. The ThinkPad X1 Carbon comes with the Intel’s 3rd generation ‘Ivy Bridge’ Core processor and made out of a premium carbon fiber chassis.

The new Lenovo ThinkPad X1 UltraBook has feature a 14-inch display with 1600 x 900 resolution and 300 nits of brightness, a SD card reade, a Mini DisplayPort, a 3.5mm audio jack, two USB 3.0 and USB 2.0 ports, and up to 12 hours of battery life.

The Lenovo ThinkPad X1  Carbon will be on sale before the end of this summer, unannounced price yet.