Add signal enhancement chip to comprehensively improve compatibility and support, and can support for /AMD/ series graphics cards. Supports up to PCI-E4.0x4 running at full speed. Added ESD/ to protect the graphics card and hardware when using the TGX interface for swapping. Added signal control circuit, for 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.