Features: 1.Function: EXP GDC is a laptop external graphics adapter device; supports PCIE X16, actual X1 mode (upgradeable to X2 mode depending on different laptop configurations). 2.Operating System: Support for Windows XP 7 8 8.1, for Linux, etc. (Reminder: for Win XP, for Win8 8.1 are only compatible with laptops with external screens). 3.Expansion Support: PCIE X16: DMI GT/s (X1) 5; Power support: 8P Interface: 220W Maximum, DC interface: 150W Maximum. 4.Warm Tips: If you use the laptop's own display, the laptop is required to introduce for Intel HD graphics and externally connect a GTS450 and above. Otherwise, an external display is required. 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. specification:Item Type: Laptop External Video Card Dock Material: ABS, PCB PCIE Interface: Connect PCIE Interface Equipment, Such As Graphics Cards, Sound Cards, Array Cards, Capture Cards, Etc. 6P Power Output: Provide 6pin, 8pin Interface Output 8P Power Interface: Equipment Power Supply Interface, Notebook Control Power Switch DC Power Interface: 5.5x2.1mm DC Holder (DC 12V, 150W Maximum) High Definition Multimedia Interface: Connect MiniPCIE, Expresscard, NGFF (M.2) A E Key or M Key, PCIE X4 Adapter Cable PackageList: 1 x Graphics Card Docking Station 1 x HD Multimedia InterfaceTo Expresscard Cable 1 x Power Adapter Cable 1 x User Manual