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FORUMS General Gear Talk Computers 
Thread started 29 Dec 2012 (Saturday) 11:18
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How do you check internal card reader speed?

 
Steve ­ Ruddy
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Dec 29, 2012 11:18 |  #1

I just purchased several new CF and SDHC cards with read speeds of 95 and 150mb/s. I want to make sure I'm getting the best transfer performance possible but don't know how to check the specs of my computers internal card reader.


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mike_d
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Dec 29, 2012 16:54 |  #2

How old is the computer? The card reader is almost certainly connected to a USB2.0 port which is going to limit you to about 30-40MB/sec. Windows Explorer will show your transfer rate when you copy files. Or you can just copy some files, time it, and do the math.




  
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ben_r_
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Dec 29, 2012 18:36 |  #3

Check this thread out: LINK


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Steve ­ Ruddy
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Dec 29, 2012 19:25 |  #4

It's an Asus CM5675 Desktop and it's a few years old. I did a test using a San Disc Extreme Pro 16GB class 10. I only got roughly 17MB/s and transferring from the camera, 5D MK III, produced about the same speed. Then I tried a Lexar Pro 1000X compact flash card and the PC wouldn't read it at all. The camera transfer didn't seem any faster than the SDHC card. I decided to purchase the Lexar Pro (external link) another super fast one is Addonics Mini DigiDrive IV (external link) with speeds up to 5 GB/s.


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Disposibleteen
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Dec 29, 2012 19:36 |  #5

You can also download a free benchmark program called Crystaldisk. This will tell you all kinds of information about the speeds of your card readers. All you have to do is point it to the drive letter that matches your card reader and hit go.




  
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Steve ­ Ruddy
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Dec 30, 2012 14:54 |  #6

^^^ careful with this as it wigged out my pc big time. I couldn't even shut it down or get into the windows or other areas of my pc. It felt like a virus. I uninstalled it and all seems fine. I feel pretty confident the card reader coupled with my 3.0 card will give me the fastest speeds possible with my pc and cards. Thanks for the replies.


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Disposibleteen
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Dec 31, 2012 09:29 |  #7

Steve Ruddy wrote in post #15424313 (external link)
^^^ careful with this as it wigged out my pc big time. I couldn't even shut it down or get into the windows or other areas of my pc. It felt like a virus. I uninstalled it and all seems fine. I feel pretty confident the card reader coupled with my 3.0 card will give me the fastest speeds possible with my pc and cards. Thanks for the replies.

That's odd, I have never had issues with this program and have been using it for years to benchmark raid arrays and SSDs. Did you make sure to not install the extra free software they try to install for you?




  
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Steve ­ Ruddy
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Jan 01, 2013 00:42 |  #8

^^^ yes


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How do you check internal card reader speed?
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