From time to time there are USB hubs with a switch. Only makes sense if you want to use or turn off many USB devices simultaneously. Then you can also equal to operate the computer. That's why I've been looking at a stroke, in which all ports can be individually switched and am finally found it. The stroke is especially good for high drain devices because it has its own power supply. He works as far as we assess the reliability nch 4 weeks kann.Das value for money is great. Small drawback is that it has a very low weight. The cables thus make him what they want. So the best tape it. Also have 2 wide (mostly older) USB sticks side by side no place.