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How much voltage does a sdcard use?

post #1 of 4
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Usb slots can have a hub attached but won't really power much on 4 extra slots but can read from multiple usb flash drives at once, but what if there was a micro sdcard hub? would the sdcard slot in for example surface pro 4 have enough juice to read from a sdcard hub with 2 or more micro sdcards in it?
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post #2 of 4
I think you'd be better off buying a USB to Micro hub.
I doubt it would be able to read multiple cards and I really don't think anything of that nature is even produced. Didn't look, but I doubt it.
An SD slot puts out about half of what a USB slot does so it's not likely an SD hub would work from an SD slot.
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post #3 of 4
I'm not sure what to answer to your hub question, but the voltage of a SD card is about 3.3V by default.
post #4 of 4
Thread Starter 
Quote:
Originally Posted by MrBalll View Post

I think you'd be better off buying a USB to Micro hub.
I doubt it would be able to read multiple cards and I really don't think anything of that nature is even produced. Didn't look, but I doubt it.
An SD slot puts out about half of what a USB slot does so it's not likely an SD hub would work from an SD slot.

the thing is my surface pro 4 can only handle one usb device and i don't want to constantly have a usb hub dangling from it with a micro sdcard hub from it, And i have looked nearly everywhere, and there is no sdcard hub that goes into the sdcard slot. So i thought i could had one made. Just needed to check if it would work at all.
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