Features: 1.EXPANSION SUPPORT: PCIE X16 DMI GT/s (X1) 5, power support, 8P interface up to 220W, DC interface up to 150W. 2.MULTI INTERFACE: PCIE EXP GDC supports PCIE 16X interface x1, 6P power output interface x1, 8P power interface x1, DC power interface x1, USB interface x1, data cable interface x1. 3.SUPPORT PCIE X16: EXP GDC is a laptop external graphics adapter device, support PCIE X16, the actual X1 mode (can be upgraded to X2 mode according to different laptop configurations). 4.OPERATING SYSTEM: Support for Windows XP 7 8 8.1, for Linux, etc. (warm tip: for Win XP, for Win8 8.1 only compatible with external screen laptop). 5.WIDE RANGE OF APPLICATIONS: External video card dock is suitable for engineering measurement, data acquisition, server debugging, GPU computing and other industry applications, can also be used to play games. specification:Item Type: Laptop External Independent Video Card Dock Material: Plastic, Electronic Interface: PCIE 16X Interface x 1, 6P Power Output Interface x 1, 8P Power Interface x 1, DC Power Interface x 1, USB Interface x 1, Data Cable Interface x 1 PackageList:1 x LaptopExternalIndependentVideoCardDock 1 x Expresscard Interface Cable 1 x 8 to 24 Port ATX Adapter Cable 1 x User Manual NoteIf using a laptop with its own monitor, the laptop needs to introduce for Intel HD graphics card, external for GTS450 and above graphics cards. Otherwise, an external monitor is required.