Is there a Usb 3.0 to Usb 2.0 adapter?

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exomegan

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Nov 21, 2016
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The usb 3.0 port in my laptop is broken and i only have a usb 2.0 port alive and my external hard drive can only be read in usb 3.0. Is there a usb adapter that can convert usb 3.0 to usb 2.0?




I have found one online but What worries me is the will it work?
 

bigpinkdragon286

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Oct 3, 2012
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You shouldn't need an adapter as the ports are supposed to be backward compatible. Your USB 3 device will simply run at USB 2 speeds when using the older port. If however your device requires higher power draw than a USB 2 port can supply, an adapter won't help.
 

bigpinkdragon286

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You shouldn't need an adapter as the ports are supposed to be backward compatible. Your USB 3 device will simply run at USB 2 speeds when using the older port. If however your device requires higher power draw than a USB 2 port can supply, an adapter won't help.
 

iamacow

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Feb 11, 2015
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Someone if trying to rip you off, you don't need USB 3.0 to USB 2.0. They are all backwards compatible down to USB 1.1 . The issue is if the USB device needs more power than what a USB 2.0 port can provide, than it won't work. USB 3.0 can provide 500mv where as USB 2.0 only supplies 250mv max. Some little external hard drives that run off 1 USB 3.0 port needs 2x USB 2.0 ports to run otherwise not enough power (or external power adapter).
 
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