Both Windows 7 and Windows 8.1 are detected and installed the Hub immediately. Even my hard drive and my phone was immediately recognized. The transfer of small data (up to 3GB) is good for larger files it is however overwhelmed and it can happen that he is kicked from the PC, which can then cause data loss. For smaller files, I had no such problem.
Except for the above problem, the stroke does a good job. For a very well it is not enough.