Add 4 external wall mountable usb 30 ports from a single usb connectionr r four usb 30 compliant ports with support for speeds up to 5 gbps while still compatible with usb 201x devices at the same timer an all metal chassis built in surface mounting brackets and choice of power input method makes this versatile enough for almost any environmentr backed by a startechcom 2 year warranty and free lifetime technical supportr r add 4 external wall mountable usb 30 ports from a single usb con