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I bought a powered 7-port USB Hub, which has 7 downstream ports, 1 up stream port and one power port.

My question is can I connect both Raspberry Pi and the USB devices that I want to use with Raspberry Pi and power them through the sample USB Hub that I have. Is it possible?

Edit

Just to clarify, I want to power RPi through micro usb from one of the USB slots from the hub, not through the USB port of RPi.

Sudar
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2 Answers2

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It's possible to power your RPi through your USB hub on two conditions:

  • the hub does not backfeed: this is easy to test; remove the SD card, connect the RPi's USB port (not micro USB port) to the hub. If the RPi's led doesn't come on the hub doesn't backfeed. If the hub does backfeed you can't use this hub with the RPi.

  • the power supply of the hub is powerful enough: some USB hubs come with a 1 A power supply. Mine has a 2.4 A power supply which is plenty for the RPi, a passive HD and a wifi dongle.

See the list of verified USB hubs: http://elinux.org/RPi_VerifiedPeripherals#Working_USB_Hubs

Alex Chamberlain
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Steven Devijver
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It is possible. I am currently powering two raspberry pis and an external 1tb portable hard drive from a single usb hub (link).

Alex Chamberlain
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Bala Clark
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