USB 2.0 works perfectly - USB 3.0 under Windows 8.1 does not
DBPOWER® 7 Port USB 3.0 SuperSpeed External HUB Adapter with Power Supply for PC Notebook HDD MP3 mouse supports Windows XP / Vista / 7, Mac OS 10.2 or above, Linux 9 Black (Electronics) 2
DBPOWER® 7 Port USB 3.0 SuperSpeed External HUB Adapter with Power Supply for PC Notebook HDD MP3 mouse supports Windows XP / Vista / 7, Mac OS 10.2 or above, Linux 9 Black (Electronics)