- micro-USB doesn't provide anything to hold the connector in whilst the dock connector uses small clips.
- Also, anyone who has used the WD Passport drive with dock knows that the micro-USB port isn't very suitable for holding an iPhone-sized device vertically. There's too much play so the device can wobble or not be seated correctly, and this can damage the usb pins. There just isn't the same positive physical connection as with a dock connector.
- micro-USB doesn't provide anything to hold the connector in whilst the dock connector uses small clips.
- Also, anyone who has used the WD Passport drive with dock knows that the micro-USB port isn't very suitable for holding an iPhone-sized device vertically. There's too much play so the device can wobble or not be seated correctly, and this can damage the usb pins. There just isn't the same positive physical connection as with a dock connector.