Add 7 external usb 30 ports to a computer from a single usb connection the st7300usb3b usb 30 hub lets you add seven external usb 30 ports to a computer from a single usb 30 host connection offering data transfer rates up to 5 gbps the usb hub meets superspeed usb 30 specifications and is backward compatible with usb 20 and 1x devices designed for easy port access when connecting or disconnecting devices the hub features one sided port orientation with current overload detect