SSD disk space required for Win 10 OS with programs installed


  1. Posts : 20
    Windows 10 Enterprise LTSC 1809 x64
       #1

    SSD disk space required for Win 10 OS with programs installed


    My SSD is 256GB with 2 partitions. One for the OS (50GB) the other for data (188GB).

    My OS installation with programs installed takes up 30GB (w/recycle bin, 4GB page, no hibernate).

    Is this sufficient or do I need to expand the OS partition?

    Thanks!
      My Computer


  2. Posts : 35,546
    Win 10 Pro (21H2) (2nd PC is 21H2)
       #2

    50Gb seems a bit small as you need to allow for Windows.old to be created when upgrading or performing an in-place upgrade repair install. (1909 will not be a conventional feature upgrade apparently). So consider allowing Windows.old = size of Windows + working space thereafter.

    If you install further programs, that will take more space. Also note that programs use folder space on C: - many even create folders in your personal library folders.

    Then some add logs and dmp files- which can be quite large...
      My Computers


  3. Posts : 20
    Windows 10 Enterprise LTSC 1809 x64
    Thread Starter
       #3

    So what size is recommended?
      My Computer


  4. Posts : 35,546
    Win 10 Pro (21H2) (2nd PC is 21H2)
       #4

    Thank you for your reply......

    That depends on your usage. It's an open question as you can anticipate. I can't guess how you will use your PC. You might choose to install some game that needs 50Gb... I can only comment on the need to keep space available.

    I have indicated the need to reserve space- and indeed from 1903 see
    What is Reserved Storage on Windows 10 1903?
      My Computers


  5. Posts : 11,642
    Windows 10 Home x64 Version 21H2 Build 19044.1776
       #5

    My last windows.old & update file debris was 9GB.

    I use 80GB partitions for my OS drives so they also have room for defragging.

    Denis
      My Computer


  6. Posts : 4,594
    Windows 10 Pro
       #6

    I would change it to at least 80GB
    Last edited by AddRAM; 11 Oct 2019 at 09:00.
      My Computers


  7. Posts : 137
    Win 10
       #7

    FWIW: I have a WIn10 tablet. It has a 32Gbytes for the C Drive and an additional 64 Gbytes which acts as the D Drive. During the update to 1903 a message popped up saying more space was needed and I could either use some of the D Drive or connect a usb hard drive/mem stick. I chose to use the D drive. The update was successful and the stuff it put onto the D drive during the process was removed.
      My Computer


 

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