The JDD320 is designed to keep all the ports on one side for easy cable management. It supports up to 4K resolutions @ 30 Hz via HDMI™ and up to 4K @ 60 Hz via mini DisplayPort™ (only one output is supported at once). The USB™ Type-A 3.0 ports allow you to connect USB™ peripherals such as a storage device, keyboard, mouse, etc. The removable silicone pad provides a firm grip and protects against accidental disconnections and internal damage.