EXP GDC is an external device for laptops; it can help external high-performance graphics, can any one pci-e interface device, the performance of laptops, and allow to meet the high-performance graphics required by games. The EXP GDC Notebook External Discrete Graphics Dock has an Card data cable and 6-pin/8-pin cable. The enhanced MINI PCI-E cable uses a 26-pin connector supports Type 54 and Type 34 card connectors. With 6-pin connector for connecting to the graphics card supply; 8-pin connector for connecting EXP GDC supply. Industrial applications such as engineering surveying, data acquisition, server debugging, GPU computing can of course also be used to access graphics cards for gaming. Colour:As shown Material:plastic Package Contents: 1 x Discrete Graphics Kit Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.