Microsoft Surface Dock 2

Instantly turn your Surface into a desktop PC with the next-gen ports in new Surface Dock 2.
Simply plug in the Surface Connect cable to charge your device and access external monitors, a keyboard, mouse, and more.
199w power supply; longer Surface Connect cable (80 cm).
Supports dual 4K at 60Hz
2 front-facing USB-C, 2 rear-facing USB-C (gen 2), 2 rear-facing USB-A, 3.5mm in/out audio jack, 1 gigabit Ethernet, Security lock support (Kensington compatible)