Topic Title: USB 3.1 finalized
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Created On: 08/01/2013 09:24 AM
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 08/01/2013 09:24 AM
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stumped
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The USB 3.0 Promoter Group revealed on Wednesday that it's completed its specification for USB 3.1. The new spec will be able to push SuperSpeed USB to data transfer rates of up to 10 gigabits per second. In contrast, USB 3.0 SuperSpeed can deliver speeds of up to 5Gbps.

 

http://news.cnet.com/8301-1023_3-57596502-93/usb-3.1-spec-finalized-with-speeds-up-to-10-gbps/



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 08/01/2013 10:00 AM
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black_zion
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That'll help make external graphics solutions more feasible, as well as doom Thunderbolt the way USB 2.0 doomed Firewire.

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 08/03/2013 06:47 PM
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Mime
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On paper Thunderbolt is still faster, but it's always had an uphill battle since the cables and controllers are so expensive.  Bandwidth will probably still be a problem when dealing with external graphics, but it's a step in the right direction.



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 08/03/2013 09:58 PM
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black_zion
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That's what hurt Firewire too. Few motherboards shipped with the ports, few if any prefab computers had them, and due to licensing device adoption just wasn't there. It is a step in the right direction, though at a minimum we will need to see the equivalent of PCIe 2.0 x8 speeds, or 40Gbps, for powerful external graphics to become an option. I don't think it's to unrealistic to see that by 2020, but by the time it happens will it even be necessary anymore given the lightning pace at which graphics cards are both increasing in power and decreasing in power draw...But it might be interesting if a computer was used both as a FirePro/Quattro professional and a Radeon/GeForce personal machine.

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 08/04/2013 01:21 AM
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Mime
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Your 40gigabits per second is actually the figure of "gigatransfers" often quoted for the speed of a PCI Express bus.  Gigatransfers came about since PCI Express had a relatively high amount of overhead, which meant the "usable" bandwidth was a bit lower than the published values.  Every bus has some amount of overhead, nobody really seems to pay much attention to this anyway, and PCIe v3 reduces overhead dramatically, so I just use gigabits or gigabytes when talking about it.  A PCIe v2 x8 bus provides 4gigabytes(or 32gigabits) per second.

Anyway, what I meant was that USB3.1 was also a step in the right direction for external graphics.  However, both thunderbolt and USB still can't really measure up in terms of bandwidth.  10gigabits per second is 1.25 gigabytes per second, which isn't very much in comparison to what a single PCIe x16 slot can provide.  People who play only Farmville all day long would probably be fine, but those people don't need external graphics anyway.

Firewire was much more widespread in Apple-land than it was on the PC.  A few niche markets, like video editing picked it up on the PC, but it didn't go very far everywhere else.  Firewire didn't require active termination like thunderbolt does.  That was just if you wanted to daisy chain a bunch of firewire devices together.  Thunderbolt requires it even for a single device, so in this case it's not just the Apple Tax which makes the stuff more expensive.

Firewire actually didn't have that many negatives in comparison to USB, but it didn't have many strong positives either.  It was just another bus which eventually lost out to all the existing USB devices which were already out there.



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Edited: 08/04/2013 at 01:54 AM by Mime
 08/04/2013 11:45 AM
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black_zion
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We'll have to see what develops, and we'll have to see how fast adoption is. USB 3.0 still has yet to completely replace USB 2.0, and it's been in production since 2010.

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 08/06/2013 08:17 PM
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N.R.M
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Hi, this is my dabut to this web site and I have a very noob question for anybody that can assist:) Thanks in advance for the help!

I have a pretty old (now) ARI Radeon 5800 and I cant find the driver or update to the driver. Would this new bata work with my card? If not where do I find a freakin update driver. It seems this card in particular has been forgoten by AMD.

Thanks,

Nathan 

 08/19/2013 06:40 AM
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BenEd
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Originally posted by: black_zion We'll have to see what develops, and we'll have to see how fast adoption is. USB 3.0 still has yet to completely replace USB 2.0, and it's been in production since 2010.

Actually I was wondering what popular devices even use USB 3.0? I don't even think I own any, or not that I know of lol

 08/25/2013 10:36 PM
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msdos622wasfun
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I used to back up my data manually once a month to an external USB 2.0 hard drive.  I replaced it with a USB 3.0 drive (same brand, Western Digital), and I was impressed with how much faster it went.  Now I have it set to do it automatically in the background.



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 08/25/2013 11:03 PM
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black_zion
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I replaced my USB 2.0 enclosure with one capable of eSATA, pretty much doubled my speed to about 80MB/s with an old WD Black 1TB 32MB cache. Most USB devices won't ever use USB 2.0 speeds, but USB flash drives are getting faster (and cheaper), so are SD memory cards and those readers often run off of a USB header or an external USB adapter. There's the possibility of the advancement of video via USB, anything which uses a USB connection for a video stream such as a webcam or security system, and even the possibility for motherboard manufacturers to shave off a little bit of cost by using a physical USB header and wiring multiple USB 2.0 ports to that, though that one is very unlikely as the extra wiring to make sure each port is able to have a constant 5v would outweigh the savings.

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