Microsoft Surface Dock 2 - Black. 199W Power Supply charges any Surface device and supports dual 4K Monitors at 60Hz. Includes longer 80cm Surface Connect Cable. Interfaces: 2 x front-facing USB-C®, now with 15W of Fast Charging power for your accessories and phone, plus faster data transfers/2 x rear-facing USB-C® that support data, USB audio devices, DisplayPort audio, and video (USB-C® video adapters sold separately)/2 x rear-facing USB-A/3.5mm in-out audio jack/1 x gigabit Ethernet. Please Note: USB-C® ports do not charge your Surface PC or any device that requires more than 15W of power. 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