Features: Universal Compatibility: Fully compatible with for 3 and for 4 devices, ensuring versatile connectivity for all your needs. Perfect for laptops, tablets, and smartphones. Multi-Port Functionality: Includes multiple USB ports, a data transfer cable, and a charging interface for simultaneous powering and connectivity. Experience -fast data transmission with our state-of-the-art dock that ensures quick and efficient file transfers. Design: Comes with a robust holder bracket and a foldable, design for easy storage and transport. Easy Setup: Tool-free installation with plug-and-play technology makes setup a breeze. Specifications: Interface: Thunderbolt3/4 Speed: 40gbps Chrysanthemum chain: not supported Power supply: DC12V Equipment size: unlimited Other functions: Full/half height bracket, equipment up to 75W PD charging: None USB function: None Due to different batches, there may be differences in product appearance and printed text, which will not affect use. Material: ABS colour: Black Package Contents: 1 x GPU Video Card Dock 1 x Data Cable 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.