Features: 1.EXP GDC: EXP GDC is an external device for laptops; it helps them to use a standalone external high performance graphics card that can be used to enhance the performance of the laptop by using any PCI E interface device. 2.MULTIPLE CABLES: The EXP GDC external discrete graphics dock for laptops has an Express card data cable and a 6 pin and 8 pin power cable. 3.DATA CABLE: Enhanced MINI PCI E data cable with 26pin connector, supports Type 54 and Type 34 Express card interfaces. 4.POWER CABLE: Power cable with 6pin interface for connecting to graphics card power supply and 8pin interface for connecting to EXP GDC power supply. 5.WIDELY USED: Graphics card base is suitable for engineering measurement, data acquisition, server debugging, GPU computing and other industrial applications, of course, you can still access most graphics cards to play games. specification:Item Type: Laptop External Independent Video Card Dock Material: ABS, PCB Scope of Application: for Mini PCI E Interface Laptop PackageList: 1 x GraphicsCardDock 1 x PowerConnectionCable 1 x ConnectionCable 1 x InstructionManual NoteWithout Power Supply