Windows 10: Slow Speed to External Hard Drive Solved

  1.    26 Nov 2017 #1

    Slow Speed to External Hard Drive

    Hello! I have this external Hard Drive Intenso Memory Case 2,5" USB 3.0 1TB

    When i move files from my PC to the DISK i dont have a good speed! I can say the move speed is terrible! Of curse
    i have connected to USB 3.0 Port! Check the images!

    Click image for larger version. 

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      My ComputerSystem Spec

  2. Posts : 344
    Windows 10 Professional 64bit
       26 Nov 2017 #2

    What kind of files are you moving to the drive? Are the all large in size or are they small picture files?
      My ComputerSystem Spec

  3.    26 Nov 2017 #3

    Masterchiefxx17 said: View Post
    What kind of files are you moving to the drive? Are the all large in size or are they small picture files?

    I move images and some .txt files!
      My ComputerSystem Spec

  4. Posts : 344
    Windows 10 Professional 64bit
       26 Nov 2017 #4

    I find that drive performance should not be based on moving a bunch of little files, but rather single larger ones. Use a tool like CrystalDiskMark to make sure your hard drive is running the up-to-speed.

    Software - Crystal Dew World
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  5. Posts : 713
    Windows 10
       26 Nov 2017 #5

    That is usual when copying large numbers of small files. Try say 3 x 1GB files instead and it will be much faster.

    Think of it as educational.

    ZIP those 15,651 files in to one say 3 GB file then try copying that file across.
      My ComputerSystem Spec

  6.    27 Nov 2017 #6

    I would NOT call that normal at all. I have this external USB3 enclosure with an old 320 GB Seagate HDD in it, and the slowest it ever goes is about 72 MB/s and "usual" speeds are 80-120 MB/s (as fast as it ever was even inside my PC on a SATA port). I have no idea what would cause that kind of slow down, assuming you're not saturating the USB with a fast wireless network adapter or something, sorry.
      My ComputerSystem Spec

  7. Posts : 344
    Windows 10 Professional 64bit
       27 Nov 2017 #7

    @Quexos, what kind of files are you moving to the drive when recording those speeds?

    The @OP should certainly benchmark their hard drive correctly, rather than relying on Windows's file transfer speed graph.
      My ComputerSystem Spec

  •    30 Nov 2017 #8

    Masterchiefxx17 said: View Post
    @Quexos, what kind of files are you moving to the drive when recording those speeds?
    Everything conceivable that I keep on my multiple synced backup drives. Everything from all the drivers and software for several of my PC builds to a few GB of MP3s, photos, videos, text files, Windows/Linux ISOs, to full 5-8 GB backup images of OS partitions.

    Screw benchmarking "correctly"...he's getting slow downs to almost nothing. I see a short burst (windows lying) of ~normal speed in his screenshot followed by a near halt. I would guess he's hitting a brick wall on something when the cache/buffer is filled up. Hell, I get 38-44 MBs when I connect it to my other PC that only has USB2.

    My gut reaction would be to say the external drive or the enclosure (+it's chipset/controller) that it's junk. But that is just a gut reaction...could be USB related, USB driver, some goofy XHCI setting in the bios...iommu setting? A USB wireless adapter simultaneously downloading the entire internet @FIOS Gigabit speeds to his pr0n folder...on the same external drive!?!? Who knows.

    I see the same cache/buffer behavior on mine, but mine lies to me and says it's doing 220 MB/s or the like then stabilizes at 70-100, depending on type of files and if reading or writing, etc. Here's a quick test just for fun. Moving a folder with 3.24 Gigabytes of random files, largest ones probably about 200 MB from my "backup" drive in the PC to my USB3 external drive.
    Attached Thumbnails Attached Thumbnails 73mbs.jpg  
      My ComputerSystem Spec

  •    17 Dec 2017 #9

    WOW. You are right guys! When i RAR all my little files and i get 1 RAR file 4GB the move i get 110 Mbps speed!

    Thanks a lot guys!
      My ComputerSystem Spec


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