1. Supports built-in OCuLink models such as MINISFO , AOOSTAR, Lenovo, GPD, OnexPlayer, etc 2. Other models without OCuLink require the use of an M.2 M key adapter board (supporting third-party adapter boards) 3. Except for Lenovo Thinkbook14+/16+2024 TGX interfaces that support hot swapping, other models do not support hot swapping. 4. GPD and OnexPlayer may not support synchronous startup when using Nvidia graphics cards. One click startup is required to first open the docking station and support synchronous shutdown. OCuP4V2 Version Upgraded Note 1. Add ReDriver signal enhancement chip to comprehensively improve compatibility and support, which can support for Nvidia/for AMD/for Intel series graphics cards support up to PCI-E 4.0 x4 full speed operation. 2. Add ESD/TVS to protect graphics cards and hardware when using Lenovo TGX interface for hot swapping. 3. Add signal control circuit, Lenovo TGX interface or other models OCuLink interface support synchronous start stop. 4. Add a one click start button, and some models with synchronous start stop error messages can use one click start to open the docking station, Support synchronous shutdown. Due to different product batches, the appearance may vary, which does not affect the use Colour:As Shown Material:plastic+Metal type:Without M.2 Adapter/With M.2 Adapter Package Contents: 1 x OCuLink GPU Dock Kit 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.