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Thread started 27 Apr 2011 (Wednesday) 17:19
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USB 3.0 Reader speed check...

 
SMP_Homer
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Apr 27, 2011 17:19 |  #1

The reader:
http://usb.brando.com …eader_p02219c06​1d015.html (external link)

The system:
Dell XPS 17 with USB 3.0 ports
Tested that specific reader on all USB 2 and USB 3 ports on this system.
Also tested a USB 2 reader in the USB 3 port, and che speed increase is comparable to the new reader's tests (i.e. barely anything)...


The results...
Reader issue? Don't have another system to test on

System/Port issue? Checked BIOS, installed various drivers, nothing makes a difference

Cards? The Sandisk are pretty much where I expected them to be, but the Transcend are falling short of expectations... I also tested multiple Transcend 400X cards in both USB3 ports - no substantial differences...


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Saint728
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Apr 28, 2011 00:20 |  #2

Hmmm, the USB3.0 is not very impressive speeds with the cards you used. I would try it with a 600x 90MB/s CF card and see if it does 92.2MB/s like the ad says? If it can do 92.2MB/s then I would think about changing over to it.

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msowsun
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Apr 28, 2011 08:22 |  #3

Looks like you are only getting USB 2.0 speeds.


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SMP_Homer
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Apr 28, 2011 11:33 |  #4

Delkin USB 3.0 reader should be here tonight, if I get a chance I'll repeat all those tests....


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Sig35A, Sig50A, Sig85A, Sig14-24A, Sig24-105A, Sig70-200S, Sig150-600C
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SMP_Homer
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Apr 28, 2011 19:24 |  #5

Poking and prodding at my system.... Win7 now reports that the USB reader would perform better if plugged into a USB 3.0 port.... And it says that when I plug it into a USB 3.0 port....
Tests now are similar to previous tests....


EOS R6’ / 1D X / 1D IV (and the wife has a T4i)
Sig35A, Sig50A, Sig85A, Sig14-24A, Sig24-105A, Sig70-200S, Sig150-600C
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600EX-II X3, 430EX-III X3

  
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msowsun
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Apr 28, 2011 20:00 |  #6

Sounds like your USB 3.0 port is not working properly.


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hollis_f
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Apr 29, 2011 05:27 |  #7

Am I right in thinking that Win7 doesn't have native support for USB3? Have you installed drivers?


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SMP_Homer
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Apr 29, 2011 06:11 |  #8

hollis_f wrote in post #12315115 (external link)
Am I right in thinking that Win7 doesn't have native support for USB3? Have you installed drivers?

came pre-installed.... but then downloaded an update from dell...
then from the chip maker...
then an older version...

device manager shows it installed...


EOS R6’ / 1D X / 1D IV (and the wife has a T4i)
Sig35A, Sig50A, Sig85A, Sig14-24A, Sig24-105A, Sig70-200S, Sig150-600C
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Wilt
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Apr 29, 2011 12:06 |  #9

SMP_Homer wrote:
Poking and prodding at my system.... Win7 now reports that the USB reader would perform better if plugged into a USB 3.0 port.... And it says that when I plug it into a USB 3.0 port....


Sounds almost like Dell did a half fast implementation of USB 3.0

I'd wait to test your Delkin, before agonizing over it more. And if you continue to get that message, I'd take it up with Dell.


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Wilt
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May 06, 2011 23:20 |  #10

Someone on POTN just reported 60MB/sec speeds with Delkin USB 3.0 devicel
https://photography-on-the.net …hp?p=12360153&p​ostcount=1

So if you are not getting much better throughput on your PC, I would blame the PC itself.


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USB 3.0 Reader speed check...
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