EXP GDC is an external device for laptops; it can help them use external high-performance graphics, can use any one pci-e interface device, improve the performance of laptops, and allow them to meet the high-performance graphics required by games. The EXP GDC Notebook External Discrete Graphics Dock has an Express Card data cable and 6-pin/8-pin power cable. The enhanced MINI PCI-E cable uses a 26-pin connector that supports Type 54 and Type 34 Express card connectors. With 6-pin connector for connecting to the graphics card power supply; 8-pin connector for connecting EXP GDC power supply. Industrial applications such as engineering surveying, data acquisition, server debugging, GPU computing can of course also be used to access most graphics cards for gaming. Colour: 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 cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.