Great ExpansionInstantly add 4 USB 3.0 ports to any compatible mac mini with usb c to usb hub ,convert your mac into a fully functional workstation,perfect for connecting an external hard drives, keyboards, mice, thumb drives, or any other USB devices,and eliminates the hassle of "switching" between devices. (This hub is not for charging devices.) 5Gbps Data Transfer SpeedThis USB C 3.0 hub delivers lightning-fast transfer speeds of up to 5Gbps10 times faster than USB 2.0! Quickly copy HD movies, photos, songs, and large files from your computer to your hard drive in seconds, minimizing wait times and making file transfers effortless.