Will disabling write-cache buffer flushing increase performance?


  1. Rammstein420
    Posts : 23
    Windows 10 Home 54-bit, Build: 19041.vb_release.191206-1406
       New #1

    Will disabling write-cache buffer flushing increase performance?


    I have a SanDisk SSD PLUS 240GB (SSD) and the performance on my pc has been pretty bad lately (it was built in 2014), Write Caching is already on by default but I'm wondering if I should disable Windows write-cache buffer flushing (I don't have an uninterruptible power supply but I have backups of everything important and at this point I need all the performance boost I can get).

    My OS is Windows 10 Version21H2 (OS Build 19044.1288)

    - Thank you for reading my help request.
    Will disabling write-cache buffer flushing increase performance? Attached Files
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  3. FreeBooter
    Posts : 5,330
    Windows 11 Pro 64-bit
       New #2

    You would not notice that much boost, i have posted screenshot of CrystalDiskMark before and after i have turn off write-cache buffer flushing to see the difference yourself.

    BEFORE
    Will disabling write-cache buffer flushing increase performance?-before.png


    AFTER
    Will disabling write-cache buffer flushing increase performance?-after.png
      My Computer
    Quote Quote

  4. MaloK
    Posts : 2,800
    Windows 7 Pro
       New #3

    Turning this off is a great risk of corruption, for a nearly unperceptible gain.
      My Computers
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