Microsoft Surface Dock 1st Gen
Microsoft SurfaceSurface DockCompatible with:Surface Pro XSurface Pro 7Surface Pro 6Surface Pro 5Surface Pro 4Surface Pro 3Surface BookSurface Book 2Surface Book 3Surface LaptopSurface Laptop 2Surface Laptop 3Surface GoSurface Go 2Ports:2 Mini DisplayPorts1 Gigabit Ethernet port4 USB 3.0 ports1 Audio out portSurface Connect cableExternal power supplyTransforms your Surface into a versatile desktop PC.2 Mini DisplayPort inpu Mini DisplayPort inputs for connecting multiple monitors/HD displays simultaneously Delivers quick transfer speeds, easy charging and simple connectivity via a single cable.Gigabit Ethernet port provides a speedy wired connection to your home network.4 USB 3.0 ports allow you to plug in a variety of accessories and peripherals, keyboard, mouse, printer, etc3.5mm audio line out for headphones and other audio devices Dimensions 5.12 x 2.36 x 1.18 in (130 x 60 x30 mm)