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USB 3.0 and Video cards

Last response: in Graphics & Displays
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December 17, 2009 8:53:10 PM

Hello.

Will it be possible to have external graphics connected through USB 3.0 Motherboards? If it is, will you be able to buy a Video Card and an adapter/enclosure, and then connect it to a USB 3.0 compatible MB port? Does USB 3.0 have the ability to compete with PCIExpress 2.0 for graphics processing?

More about : usb video cards

December 17, 2009 9:03:36 PM

No such animal exists yet. Matrox has some weird external video thing, but it's mainly for multi-monitor support... not a high-performance solution. Not saying it won't happen one day.

I get what you're asking, but right now no one is offering that sort of setup.
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December 18, 2009 5:39:24 AM

for your second question. USB3.0 has no way to compete with PCIe 1.0 or 2.0 for graphics cards.

USB 3.0 = 625MB/s
PCIe 1.0 16x = 4,000MB/s
PCIe 2.0 16x = 8,000MB/s

source ( http://en.wikipedia.org/wiki/List_of_device_bandwidths#... )

unless you only have 1x or 2x PCIe 1.0 slots or 1x PCIe 2.0 slots on your computer, your better off with PCIe usage. though, i remember hearing about an express card slot adapter for laptops that you can use a graphics card with. its very limited and any decent card you put in it is going to be bottle necked
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April 1, 2011 8:58:57 PM



USB 3.0 = 625MB/s

This is not true USB 3.0 has a theoretical speed of up to 5GB/s

This is going to be dependent on the manufactures hardware specs that they allow, kinda like buying USB flash drives, you can get all kinds of different speeds depending on how they are made for USB 2.0 you will see the same thing with USB 3.0.


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April 1, 2011 9:07:36 PM

smith2332 said:
USB 3.0 = 625MB/s

This is not true USB 3.0 has a theoretical speed of up to 5GB/s

This is going to be dependent on the manufactures hardware specs that they allow, kinda like buying USB flash drives, you can get all kinds of different speeds depending on how they are made for USB 2.0 you will see the same thing with USB 3.0.


No...it's 5 gbit/s, you can't confuse bits for bytes....625mb/s is correct, just like usb 2.0 was 480 mbit/s and was like 60mb/s :pfff: 
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April 19, 2011 4:23:06 PM

Can't they use multiple usb 3.0 ports for data transfer?
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a c 271 U Graphics card
April 19, 2011 8:56:02 PM

This topic has been closed by Mousemonkey
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