What's this socket for?

[saladdays]

What's this socket for? The one on the left?
Dell XPS laptop from 2012.

[Frik]

Mini DisplayPort.

[Digger]

Laptop model?

[xeny]

May be useful to know that DP often lets you get a somewhat higher resolution/refresh rate on an external screen than HDMI of the same age/on the same computer.

[saladdays]

Frik, thanks for responding in 60 seconds!

[Frik]

I actually clicked on this thread by mistake but I've got the same connector on my Surface Pro 4.