Raspberry Pi Forums

Posted: **Wed Mar 16, 2016 12:28 pm**

I want to connect my external 3.0 hard drive (1T) to RPI2. Which poewered USB hub to buy? 2.0 or 3.0? What is diference? Hard is 3.0 but rpi doesn't have 3.0 USB port. Which to buy?

Posted: **Wed Mar 16, 2016 1:24 pm**

henri_007 wrote:I want to connect my external 3.0 hard drive (1T) to RPI2. Which poewered USB hub to buy? 2.0 or 3.0? What is diference? Hard is 3.0 but rpi doesn't have 3.0 USB port. Which to buy?

If it is a 2.5" USB Drive you should be able to power without HUB, you will need a good quality 5V2A Power Supply and add the following to config.txt

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max_usb,_current=1

This applies to RPi 1B+ & 2B and is perfectly safe to do so: https://projects.drogon.net/testing-set ... berry-pi-b

Posted: **Thu Mar 17, 2016 7:13 pm**

fruitoftheloom wrote:
Code: Select all
max_usb,_current=1

It may work better without the typo.

Code: Select all

max_usb_current=1

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