1. panman91's Avatar
    So I just received my Surface Pro 2 (128gb model) yesterday and one of the things I loved about the original Surface Pro was the fact that it had a USB 3.0 port.
    I was able to reach file transfer speeds of up to 115mb/s peak with ~85mb/s sustained transfer rates. But after receiving the '2' yesterday I noticed that I was only able to max out at ~40mb/s.
    I have also tried testing this with multiple drives and I keep getting the same speeds. A friend of mine bought a 256gb model and is topping out at only 50mb/s.
    Is anyone else having the same issue and do you all think that this has to do with a driver problem?
    I would like to see what kind of results you guys are getting.
    Please post your speeds and thoughts on how we can resolve this issue.
    10-23-2013 04:41 PM
  2. SwimSwim's Avatar
    Sorry friend, I don't own anything with USB 3 except for my Surface, and a 4-port USB 3.0 hub I bought in anticipation of my Surface (even though I don't own anything yet with 3.0, just wanted to "future proof" myself).
    phrozenghost likes this.
    10-23-2013 09:14 PM
  3. rlatarche's Avatar
    Im having the same issue, even usb 2 speeds are poor. So your not alone, looks like we are both in the dark atm.
    10-25-2013 02:50 PM
  4. phrozenghost's Avatar
    I'm gonna test this out when I get home, my external drive is USB 3.0
    10-25-2013 04:17 PM
  5. rlatarche's Avatar
    With my external USB3 drive plugged directly into my SP2 the transfer rate jump to 30/40mbs then plummets to nothing for 20-30 seconds comes briefly back up to 20-30mbs and does this the whole time. Same drive on SP1 sticks at 100mbs so i know its not the drive its the SP2. If this is happening with someone else, does make me think software issue. I have screen shots however this forum will not let me upload photos, no matter what browser i use.
    10-26-2013 02:03 AM
  6. phrozenghost's Avatar
    With my external USB3 drive plugged directly into my SP2 the transfer rate jump to 30/40mbs then plummets to nothing for 20-30 seconds comes briefly back up to 20-30mbs and does this the whole time. Same drive on SP1 sticks at 100mbs so i know its not the drive its the SP2. If this is happening with someone else, does make me think software issue. I have screen shots however this forum will not let me upload photos, no matter what browser i use.
    upload to photobucket or imageshack then link the picture
    10-26-2013 06:18 AM
  7. thekeeblerelf's Avatar
    I finally decided to test this by transferring pictures from my DSLR's SD card, using a SD->USB adapter. I was getting transfer speeds of 100mb/s, so this transfer speed issue may not be very widespread.
    10-28-2013 07:18 AM
  8. phrozenghost's Avatar
    I finally decided to test this by transferring pictures from my DSLR's SD card, using a SD->USB adapter. I was getting transfer speeds of 100mb/s, so this transfer speed issue may not be very widespread.
    Yeah, had no issues with my external hard drive either, sounds like a driver issue.
    10-28-2013 07:19 AM
  9. panman91's Avatar
    What brand are your external drives?
    I am using a Seagate Slim.
    10-28-2013 09:52 AM
  10. thekeeblerelf's Avatar
    I had my SanDisk SD card plugged into a Transcend USB 3.0 adapter.
    10-28-2013 10:11 AM
  11. phrozenghost's Avatar
    What brand are your external drives?
    I am using a Seagate Slim.
    I'm using a Western Digital My Book
    10-28-2013 03:57 PM
  12. panman91's Avatar
    I purchased a new Surface Pro 2 this evening from Best Buy and I was able to get back the file transfer speeds I had originally had with the original surface pro. It appears that the usb port on the one shipped to me from MSFT was defective. When I inserted the USB cable all the way into USB port it would keep connecting and disconnecting the usb drive almost instantly. Only when I would pull the plug out just a tad would it stay connected and at that point I realized that it would only read the drive as a USB 2.0 device. After much fiddling with the cable I was finally able to get the drive to be recognized as a USB 3.0 device but it was not reliable at all and would lose its connection. I am in the process of returning that unit and keeping the one from Bestbuy.
    On a side note, my docking station arrived today and I love the simplicity and factory fit and finish that it brings to the table but sad that the ethernet jack only supports 10/100 connections and not gigabit.
    10-29-2013 10:46 PM

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