Add 2x usb 30 and 4x usb 20 ports to a computer externally through a single usb 30 connectionr r adding 6 usb ports 2x usb 30 4x usb 20 through a single host connection makes it easy to expand system capabilityr a high output usb port can provide up to 2a of power for charging portable devicesr portable devices can be charged with just the external power adapter connected to the hub so the desktop or laptop host doesnt need to be powered onr r the st7320usbc 6 port usb 3020 combo