Logitech Swytch supports switching of one HDMI display, up to HDMI 2.0 and 4K60. Logitech Swytch supports switching of one directly connected USB device up to USB 3.0 (5GbPS). Additional devices may be connected through a commonly available standard USB 3.0 Hub. If a USB hub is needed, Logitech recommends using a powered USB 3.0 hub with DC power input.