The Anker 4-Port USB 3.0 Hub is a convenient external component that allows you to expand the number of USB ports on your computer. With four USB 3.0 ports, you can connect multiple devices simultaneously, such as external hard drives, flash drives, and more. This hub offers high-speed data transfer rates of up to 5Gbps, ensuring fast and efficient file transfers. The Anker 4-Port USB 3.0 Hub is compact and lightweight, making it easy to carry around and use with your laptop or desktop computer.