Small hub that fills DO NOT thoroughly so it is done because the flow is divided by 3. Transferring a file ~ 3GB of 32GB with key Usb3 without hub Flow ~ 100MB / S with the "hub" (supplied) ~ 33 MB / s (USB key only on the hub)
I regret that the cable is too short, the absence of light on each port throughput decreased significantly ...
Complementary feeding (supplied) not useful if the connected equipment is not energy.