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External power for external hdd

DarthSmartt
By DarthSmartt
in Storage Devices
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Posted

I have a usb external hard drive that runs on usb. Everything works great, but the drive doesn’t get enough power to run when I use it with my raspberry pi 3. Can I just splice power from an external 5v brick without using any diodes into the usb cord?

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It would be a lot easier to use a powered hub. 

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Get a usb power splitting cable, saves killing the drive. They’re cheap and very useful to have around 

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59 minutes ago, AVE-Services said:

Get a usb power splitting cable, saves killing the drive. They’re cheap and very useful to have around 

I Have one that is used for a dvd drive but it has a mini usb on the end. I was thinking about attaching the female end of  a usb extention cable to it. I’m assuming this would work. Am I correct?

Build:                                                                          

Intel Core I7 6700k (clocked to 4.6ghz)

Patriot Viper 3000mhz ddr4

ASUS maximus 8 hero (I hate this mobo)

Evga gtx 1080 superclocked

250GB Samsung 850 evo

2tb WD Black 7200rpm

Ek watercooling kit a240g with 360 expansion pack

Primochill Vue Red fluid

Corsair Graphite 600t (white)

 

You thought "Gee, Donald Trump sure has a great build!"

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5 hours ago, DarthSmartt said:

I Have one that is used for a dvd drive but it has a mini usb on the end. I was thinking about attaching the female end of  a usb extention cable to it. I’m assuming this would work. Am I correct?

Should work, but your data lines would be unshielded and potentially causes unstable performance / data loss 

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