From: http://www.microsoft.com/surface/en-us/devices/surface-book#techspec-block http://www.microsoft.com/surface/en-us/devices/surface-book#... Starting at 3.

From: http://www.microsoft.com/surface/en-us/devices/surface-book#techspec-block http://www.microsoft.com/surface/en-us/devices/surface-book#... Starting at 3.34 pounds (1,516 grams) including keyboard