Faulty usb cable

WD External Drives WD Portable Drives
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I have tried other external hard hard drives (not WDC) and also find that the USB 2.0 micro B cable can fail easily with the constant disconnect / reconnect.  However, it needs to be noted that the USB 3.0 micro B cable is not the same as the USB 2.0 version.  The SuperSpeed “option” of the USB 3.0 requires additional “connections” and the drive connector is different:

USB 3.0 micro-B