Stacked on top of its elder sibling, the 5th gen Pro looks very nearly identical. It has the exact same ports in the exact same places, and features the same physical dimensions.

The only difference we spy is that the vents are larger—but cut in a different face of the perimeter trench, rendering them much less visible.

On the back side, Microsoft engineers show off their latest advancement in hinge technology, with a newly designed mechanism that ekes out an extra 15 degrees of range, up to a 165º angle. Fantastic.