Features: Brand new and high quality Laptop docking station. Transmission speed: 21.5. Main control chip: JHL6340 (more stable and compatible than JHL7440). Data cable: USB 4 (Thunderbolt4/3compatible). System support: Win10/Win11. Specifications: Material: Plastic Type: Laptop docking station Transmission speed: 21.5 Main control chip: JHL6340 (more stable and compatible than JHL7440) Data cable: USB 4 (Thunderbolt4/3compatible) System support: Win10/Win11 Graphics card support: Nvidia- and AMD- cards Note: Only the above package content, other product are not included. Light shooting 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 0-2cm. Package includes: 1 x Thunderbolt-compatible GPU Dock 1 x Thunderbolt3/4-compatible Cable (not include graphic card)