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A comment on Raspberry Pi 4 not working with some chargers. Parent comment

Re:Raspberry Pi 4 not working with some chargers by katbyte on Friday July 05, 2019 @10:54AM (#20362938)
With USB 3 isn’t the other end of the cable usually different as well?
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Re:Raspberry Pi 4 not working with some chargers by pdpi on Friday July 05, 2019 @12:23PM (#20363694)
USB-B for USB 3 is physically quite different, yes — looks like two stacked connectors.
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Re:Raspberry Pi 4 not working with some chargers by sargun on Friday July 05, 2019 @01:07PM (#20364057)
It’s a micro usb plus another kind of adapter. This gives you backwards compatibility for devices if you want to expose usb 2 via usb-a -> micro
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Re:Raspberry Pi 4 not working with some chargers by pdpi on Friday July 05, 2019 @06:54PM (#20366540)
I was actually thinking about B rather than micro-B, though I guess both my description and your explanation apply either way!
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