All the Connections You Need New Microsoft Surface Dock 11-in-1 Streamline the way you work and connect. New Surface Dock 11-in-1 instantly transforms your Surface into a desktop PC with all the next-gen ports you need. Simply plug in the Surface Connect cable to charge your device and access external monitors, a keyboard, mouse, Etherent and more. Surface Dock was built to maximize efficiency. What You Will Get 1*Surface Docking Station1*Power Adapter and Power Cord1*User Manual Size: Surface Dock: 4.96 x 2.36 x 0.87 inchesAC Power Cord: 4 FT All the Ports You Need 1 * 4K HDMI Port (3840 x 2160@30Hz)1 * 1080P VGA port (1920 x 1080@60Hz）1 * RJ45 Ethernet LAN Port (100Mb/s)2 * Type-C Ports (5Gbps)1 * USB A 3.0 Port (5Gbps)2 * USB A 2.0 Ports (480Mbps)1 * SD Card Slot (480Mbps)1 * TF Card Slot (480Mbps)1 * DC Power Port (60W) MS Surface Pro Triple Displays (Surface+HDMI+VGA) Docking Station Support Mirror Mode &Extend Mode When using only one HDMI connection, the output resolution is 4K@ 60Hz.When using HDMI +VGA connections, the output resolution is to 1080P@ 60Hz.HDMI+VGA (extended mode), supports two 1080P extensions. HDMI displays the same content as VGA. Please set the copy and expand options of the monitor correctly and make sure that only surface is selected (you can also press Win+P shortcut key). Resolution support 4K@60Hz, backward compatible The built-in smart chip avoids overcurrent, overvoltage, short circuit Temperature ProtectionShort Circuit ProtectionOver Power ProtectionOver-Current ProtectionOver-Voltage Protection Kindly Note: Our product not support use with surface protective case. If you use a protective case, it may cause magnetic connector to not be inserted.Please check if the magnetic connector is connected correctly, we do not support reverse insertion. Please check the product image for the correct connection. If the magnetic connector is inserted incorrectly, it only have charging function, the other peripherals connected to the Surface pro docking station cannot be recognized.When you connect the magnetic connector to your surface, please check is the indicator light on the magnetic connector light up, If the indicator light not light up, it will can't be use normally.