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I've read somewhere that there are different power requirements for the Model B+. Question is would a powered USB hub that is currently being used to power the model B be good enough to power the Model B+?

The plug for the hub says 5V 2A.

A secondary question is the hub has 7 ports. Would i be able to fully utilize the 6 remaining ports (and hook up, say, 6 usb hard disks)?

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The B+ has a better power supply than the B. It uses less power for the same task.

Can you connect 6 USB disks? How can anyone know? Can the hub supply the power they need?


EDITED TO ADD

It's not clear from your question but to clarify you can NOT back power a B+ through a USB hub.

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Yes, the power adapter should work without a problem. The B+ requires slightly less power than the model B.

As for the powered hub, depending on the power requirements of the disk you are planning to attach. I however, would not suggest attaching that many drives as they could potentially lead to a brown out scenario. If you really do need to attach that many drives I would suggest powering the Pi via a dedicated power adapter and not from the common hub.

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