Features: Brand new and high quality External graphics card expansion: This product is an external graphics card expansion dock, which can be used for notebook computers, providing users with more powerful graphics processing capabilities, and improving their games, design and video editing. 1U to SFX bracket: The product has the function of 1U to SFX bracket, and is suitable for converting 1U power bracket into SFX, which is convenient for users to use flexibly in different scenarios. High-speed transmission:Adopts high-speed transmission technology, and can be connected to an external graphics card through PCIe to realize high-speed data transmission and ensure smooth graphics processing and game experience. Adjustable bracket: The bracket seat of the product can be adjusted to adapt to different sizes of notebook computers, ensuring stable connection and comfortable use experience. Gamers: Through this product, they can upgraded their laptops to a high-performances game platform and enjoy a smoother game screen and operation experience. Specifications: Material:Metal Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1 Set Extension Dock