USB 3.0 ports on Mac
1.Click the Apple icon (top left) and select About This Mac.
2.Within the About This Mac window, click System Report.
3.In the System Information window, click Hardware and select USB.
4.Locate the USB port by its type (e.g. 3.0, 3.1). If there are not 3.0 or above ports, your computer is not USB 3 enabled.