Add ReDriver signal enhancement chip to comprehensively improve compatibility and support, and can support for Nvidia/AMD/Intel series graphics cards. Supports up to PCI-E4.0x4 running at full speed. Added ESD/TVS to protect the graphics card and hardware when using the Lenovo TGX interface for hot swapping. Added signal control circuit, for Lenovo TGX interface or other models OCuLink interface supports synchronous start and stop. A one-click start button is added. Some models that report errors when starting and stopping simultaneously can use one-click start to open the docking station and support synchronous shutdown. Note: Factory batch different, the appearance of differences, does not affect the use of Colour:Black Material:Metal + Electronic Components Package Contents: 1x GPU Video Card Dock 1x Data Cable 2x Holder 1x adapter board 1x screwdriver (Screwdriver color/style randomly distributed, Do not accept the specified) Only the above package content, other products are not included. Note: Light reflection 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.