I recently bought and started using the 4 port USB 3.0 hub. I have three external 3TB hard drives connected. At least once every day (overnight?), one or more hard drives “reconnects”–that is, Windows 7 displays the default window offering various options for a newly connected/discovered peripheral.
Thanks for posting your question here on our support forum. There can be a number of reasons why hard drives disconnect and reconnect, it a common symptom with many causes. To get a better idea of what’s happening on your system I’ll need you to send in a bit more information.
Here’s what I’ll need to know:
What is the make and model of your hard drives?
What is the make and model of your computer?
Let me know these additional details and we’ll figure out our best next steps to get you up and running.