Why does transfer of large files slow down computer so much

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  1. Posts : 141
    Microsoft Windows 7 Professional 64-bit 7601 Multiprocessor Free Service Pack 1
       #1

    Why does transfer of large files slow down computer so much


    I have a decent system yet when I transfer large files from one hard drive to another it causes computer to be unworkably slow

    Any ideas how to address this problem?

    mobo: asus p8p67 pro
    ram : 16 gb gskill
    video: nvidia gtx 560 ti
    cpu: intel i7 2600k 3.4ghz
    HDD: 120gb intel ssd, 3tb seagate and 3 2tb WD
    Win 7 pro 64 bit
      My Computer


  2. Posts : 10,994
    Win 7 Pro 64-bit
       #2

    Not really sure why it happens but it's a fairly well known issue. A lot of people recommend the free TeraCopy. Seems to do what Windows should be doing on its own.

    TeraCopy for Microsoft Windows - Code Sector
      My Computer


  3. whs
    Posts : 26,210
    Vista, Windows7, Mint Mate, Zorin, Windows 8
       #3

    It should not - especially since your OS is apparently on the SSD. Check in the reliability history whether there are any problems indicated (red X).
      My Computer


  4. Posts : 10,200
    MS Windows 7 Ultimate SP1 64-bit
       #4

    Husaberger,
    I recommend the use of RoboCopy with comes with Win 7.

    The multitude of options can be overwhelming, although there is a graphical interface which is easier for the beginner.

    Just go to an elevated command prompt and type robocopy /?
    then after being shocked, just try same simple copy operations with no options.
      My Computer


  5. Posts : 1
    windows 7 Home x64
       #5

    Hi guys I had this exact issue, I was transferring about 66gigs worth of data to a partition on the same HDD and I was getting incredible slow down on a PC with a ud3 mobo, 4820 cpu,8gig ddr3 1600mhz ram, gtx680 gpu , 850w psu

    so its not the pc by far...but I did manage to improve on this issue, I had my power settings set to performance mode, and improved computer stability by changing it to balanced, its not super stable but its 100x more stable then it was before. why things like this happen with something as simple as data transfer I do not know. hope I helped!
      My Computer


  6. Posts : 529
    windows 8.1 Pro x64
       #6

    it slows down because i/o is highly utilised and the cache is flushed out to cache the files you copying.

    arguably its poor caching design but that his is why it slows down after.
      My Computer


  7. Posts : 687
    Microsoft Windows 10 Professional / Windows 7 Professional
       #7

    Perhaps you need to install some intel chipset or disk controller driver?
      My Computer

  8.    #8

    The Win7 copy function, like the OS itself, should never bog or hang with adequate hardware (which you have, in spades) and doesn't on any of my installs.

    So look at your base install to make sure it follows these Best Practices: Clean Reinstall - Factory OEM Windows 7

    Then work through these Troubleshooting Steps for Windows 7 including the hardware tests.
      My Computer


  9. Posts : 2,164
    Windows 7 Ultimate 64bit
       #9

    Ya, i dont get any slow downs either, and I'll copy up to 2tb sometimes.
    Most of the time my transfers are under 100gb with files ranging from 1gb to 7gb.
      My Computer


  10. Posts : 529
    windows 8.1 Pro x64
       #10

    I dont get slowdowns but thats because I got 16gig of ram.

    on my laptop tho I expect copying muli gig files would kill performance.
      My Computer


 
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