About this item muilt-extended modes for macos: with the displaylink technology, ugreen usb c docking station supports extending 3 monitors for macos and windows. and supports both extended and mirror modes, which can greatly improve your work efficiency. (please ensure you have installed the displaylink driver) 12-in-1 massive expansion: the 12-in-1 usb c dock is equipped with 1x hdmi 8k, 1xhdmi 4k, 1x dp 4k, 1x pd 3.0 100w, 1x usb a 3.2 10gbps, 1x usb c 3.2 10gbps, 2x usb a 3.0 5gbps, 1x gigabit ethernet, 1x sd slots, 1x tf slots, and 1x 3.5mm aux ports. it can meet all the needs of your daily work. transfer files in seconds: with 1x usb-a 3.2 gen 2 and 1x usb-c 3.2 gen 2 ports, this macbook docking station supports up to 10gbps data transfer speed. it can meet your needs of transferring data in a very short time.