Transfer rate USB3 to internal HDD

Discussion in 'Microsoft Windows' started by A1944, May 10, 2016.

  1. A1944

    A1944
    Active Member

    Joined:
    Jun 16, 2010
    Messages:
    771
    Products Owned:
    0
    Products Wanted:
    0
    Trophy Points:
    46
    Ratings:
    +107
    I have a Win 8.1 laptop. I also have a HDD in an external docking unit connected by USB3 and am trying to copy from it to the internal HDD on the laptop. The transfer speed is very variable and most of the time abysmal. For short bursts it whizzes along at 30-50 MB/s then drops for long periods to crawl along at around 100 kB/s or less. I am not doing anything else significant, so why the wide speed variations I wonder.

    Any ideas?
     
    Last edited: May 10, 2016
  2. EndlessWaves

    EndlessWaves
    Distinguished Member

    Joined:
    Apr 7, 2008
    Messages:
    13,403
    Products Owned:
    0
    Products Wanted:
    0
    Trophy Points:
    166
    Location:
    Norfolk
    Ratings:
    +2,410
    Are you transferring a wide range of file sizes? In particular lots of small files will slow down a transfer.
     
  3. A1944

    A1944
    Active Member

    Joined:
    Jun 16, 2010
    Messages:
    771
    Products Owned:
    0
    Products Wanted:
    0
    Trophy Points:
    46
    Ratings:
    +107
    Yes, very different sizes. It seems that if I transfer in smaller chunks, the speed holds up better.

    I was trying to transfer about 150GB in one go, but with 10-20GB at a time it seems better, but is harder to keep track of.

    Still playing.
     
  4. A1944

    A1944
    Active Member

    Joined:
    Jun 16, 2010
    Messages:
    771
    Products Owned:
    0
    Products Wanted:
    0
    Trophy Points:
    46
    Ratings:
    +107
    Well, I have managed to complete what I wanted to do.

    The trick was, as mentioned above, to do it in relatively small chunks. Even then, the speed was quite variable, but at least it stayed above about 2 MB/s most of the time and sometimes as high as 70 MB/s for short periods.
     
    Last edited: May 10, 2016

Share This Page

Loading...
  1. This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
    By continuing to use this site, you are consenting to our use of cookies.
    Dismiss Notice