USB 2.0 vs USB 3.0

June 6, 2015 at 08:45:11
Specs: Win 7
Are there any disadvantages to a motherboard which
has USB 3.0 but no USB 2.0 ports? Will any USB 2.0
device work in a USB 3.0 port?

-- Jeff, in Minneapolis


See More: USB 2.0 vs USB 3.0

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#1
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#2
June 6, 2015 at 17:46:40
I had an issue recently with a Kobo ereader that would not work properly in a usb3 port but the issue turned out to be the selection of driver.

Goin' Fishin' (Some day)


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#3
June 6, 2015 at 20:42:07
All should work on 3.0 but if any of the USB 3.0 ports are on the board but not on the chipset (run by a 3rd party chip like Marvel, etc.) then those may not be fully functional until Windows drivers are fully loaded so they are not a good choice for mouse and keyboard. If you have both types of USB 3.0 ports, mark the ones powered by the main chipset (Intel, AMD) for critical and immediate/boot usage. I prefer putting keyboard and mouse on USB 2.0 ports for this generation of systems, when all systems are all USB 3.0, probably in the next generation, then it will not matter any longer.

You have to be a little bit crazy to keep you from going insane.


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Related Solutions

#4
June 14, 2015 at 23:07:08
I updated my computer USB ports to 3.0 last year, and haven't met any problem with them

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#5
June 15, 2015 at 05:15:47
That suggests a related question: My computer case has two
USB 2.0 ports and an IEEE 1394 port which I don't use on the
front panel. If I get a new motherboard with USB 3.0, It would
be nice to replace the IEEE 1394 with a USB 3.0 port. They
aren't the same size and shape, but it looks like the opening
would just need to be filed a bit larger. Any thoughts?

-- Jeff, in Minneapolis


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#6
June 15, 2015 at 08:42:56
I can see why you would like to go down the path of removing your FireWire port and replacing it with a USB 3.0 port instead. Not sure how nice it would look even carefully filed away to match the USB size. To do this though you would need to purchase a USB 3 cable of some sort. Something like this:

http://pages.ebay.com/link/?nav=ite...

The USB 3 headers on the motherboard are a different shape and size to the USB 2 ones. They are bigger with more pins.

A few motherboard manufacturers also provide a USB 3 panel designed to slot into an optical drive bay if you have a spare one. They used to do this when USB 3 was new to accomodate for the shortage of cases that were catching up with the new technology. I couldn't say if this is still commonplace. You can also buy these panels online easily enough.

Here's one I found on eBay:
http://pages.ebay.com/link/?nav=ite...

message edited by btk1w1


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#7
June 15, 2015 at 09:04:49
Thanks for your answer
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#8
June 15, 2015 at 09:42:52
If you weren't planning to get a new motherboard anyway, or you really need to have the USB3 port on the front panel, getting a USB3 expansion card is way cheaper and easier.

http://www.pcworld.com/article/2043...

Nigel

Wind slow


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#9
June 15, 2015 at 20:08:34
USB 3.0 is caompatible with USB 2.0. If USB port of computer and USB drive are all 3.0, then you get faster speed to read and write data

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