Windows 10: Copying files goes really fast then slows to a crawl.

Discus and support Copying files goes really fast then slows to a crawl. in Windows 10 Drivers and Hardware to solve the problem; I just got a new 8tb external drive and this started happening. 2.5 gb file mkv It'll have a burst of write speed completing 60-80% and then... Discussion in 'Windows 10 Drivers and Hardware' started by EMINENT, Jan 19, 2016.

  1. EMINENT
    EMINENT Win User

    Copying files goes really fast then slows to a crawl.


    I just got a new 8tb external drive and this started happening.

    2.5 gb file mkv

    It'll have a burst of write speed completing 60-80% and then slow all the way to 0 and just trickle the rest, even though it fluctuates from as low as 5 up to 30-50mb until it's done.

    Has anyone else experienced this?


    Copying files goes really fast then slows to a crawl. [​IMG]


    :)
     
    EMINENT, Jan 19, 2016
    #1
  2. ANDREWSALLEE
    AndrewSallee Win User

    why does Build 10565 iso slow my PC to a crawl??

    build **52 was lightning fast, new build 10565 has slowed my PC to a CRAWL (that even is an exageration)
     
    AndrewSallee, Jan 19, 2016
    #2
  3. SHAWN 'CMDR' KEENE [MVP]
    Shawn 'Cmdr' Keene [MVP] Win User
    Search Function - File Explorer

    Do you use indexing for fast searches, or only the slow "hard drive crawl" search?
     
    Shawn 'Cmdr' Keene [MVP], Jan 19, 2016
    #3
  4. EMINENT
    EMINENT Win User

    Copying files goes really fast then slows to a crawl.

    Just tried a 10gb file and it was a bit different. It would climb from 30-80 and down to 355kb and back up to 30-70 and now both my drives just disabled during transfer and re enabled. Tried it on my desktop with i5 2500k and Dell laptop with i7 6700hq both on usb with hub.

    Could the hub be going bad?
     
    EMINENT, Jan 19, 2016
    #4
  5. WULLAIL
    Wullail Win User
    Could be the drive has a memory buffer that fills up, the actual disk inside it has slow write speeds , it clears the buffer then the buffer re-fills up again....hence the fast / slow / fast on the larger file.
     
    Wullail, Apr 5, 2018
    #5
Thema:

Copying files goes really fast then slows to a crawl.

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