Features: OCuP4v2 compared to OCuP4 change as follows Adds ReDriver signal enhancement chip comprehensively improves compatibility and support, can support various graphics cards.Support for PCIE4.0 fullspeed operation. Increase protect the graphics card and hardware interfaces hotswaps. Increase signal control circuit, interfaces and other models of OCuLink interfaces support synchronously start andstop. Add single touch start button, some models with synchronously start will report error can use single touch start to open the docking station and support synchronously shutdown. Specifications: Model ：OCuP4/ OCuP4v2 Product Size： As pictures Speed ：64GT Cable Length ：About.50cm/19.7in Package: Without Adapter Board/ With Adapter Board Package Includes: 1Set note: Due to light and screen difference, the item color may be slightly different from the pictures. Please allow 0.5-2cm differences- due to manual measurement.