Features: Upgraded your PC connection with this usb3.0 19PIN Expansion Board, delivering fast data transfer speed faster than USB2.0 for large file transfers. Featuring backward compatible usb3.0 port with hot swappable functionality and plug and play installation, this PVC adapter requires not additional driver for connection. Ideal for desktop PC builders and enthusiasts needing reliable USB expansion solution for modern setups. Perfect for transferring videos, game files, or system backups in home offices, gaming rigs, and commercial workstations requiring stable fast speed connection. Engineered with advanced circuit protective against power surges and overheating, ensuring data integrity during intensive transfers while supporting multiple connection simultaneously. Specifications: Component: PVC Size: Approx.20cm/7.87inch Package Includes: 1 Set Extension Cable note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.