EXP GDC Laptop external independent video card dock w/ expresscard data line and 6 Pin/8 Pin power supply cable.; Dual TD compatible switch (resolution of hardware conflict). Multi power automatic switching (support for soft start).; High quality imported electronic component, multistage anti interference and Isolation protection circuit.; Enhanced MINI PCI-E data line with 26pin interface, supports 54 type and 34 type expresscard interface. With 6pin interface for connecting video card power supply; 8pin interface for connecting EXP GDC power supply.; Use for engineering measurement, data collection, server debugging, GPU computing and other industrial applications, of course, still be used to access most of the graphics card to play the game.