1、Graphics Docking Station: EXP GDC is an external device for laptops that helps them use a separate external high performance graphics card that can be used to use any pcie interface device and improve the performance of the laptop. 2、M.2 A/E Key Interface: The external laptop docking station has M.2 A/E key interface, equipped with a M.2 A/E key interface data cable and a pin power cable. 3、Multilevel Anti Interference Circuit: Dual TD compatible switch (hardware conflict resolution), multilevel anti interference circuit. 4、Parameter: The extension supports PCIE X16: DMI GT/s (X1) 5. The power supply supports 8P, the maximum interface is 220W, and the maximum DC interface is 150W. 5、Wide Applications: Suitable for industrial applications, such as engineering survey, data acquisition, server debugging, GPU computing, etc. It can also be used to play games.