macOS 10.13 Weird issue with SSD Capacity

Discussion in 'macOS High Sierra (10.13)' started by j4m13, Sep 25, 2017.

  1. j4m13 macrumors member

    Jul 21, 2013
    I was just wanting to see if anyone else had any issues but I have upgraded my 2017 15" MacBook Pro to 10.13 and noticed the HDD Sizes are really off.
    It says I have 109.2GB Used, 1.1TB Available and 999.59GB Capacity.
    This shows I have 100GB more than the HDD. It was even worse earlier as it stated I had used 600GB of storage.

    I am going to do a complete install but just wanted to document my issue.


    Attached Files:

  2. JWreck macrumors member


    Mar 23, 2016
    That is odd. My usage on the 250gb SSD went down by half when I installed the update. I had only about 10gb free previously and post-update have 109gb free. It seems a little unreasonable to have gained that much from the new file system, but I'm hopeful it's correct...
  3. limey91 macrumors newbie


    Sep 15, 2016
    Lucky you! I lost about 1gb. Not what I was expecting at all...
  4. johnmccurdy macrumors newbie


    Jul 19, 2016
    I have gained 12.22gb on my mid 2014 MacBook Pro retina 13inch, which has 2.8ghz i5, 8gb ram. Before install, I had 29.85 remaining of the 500gb. After install I currently have 42.07. So far, it feels a lot snappier with apps like Photos, safari, even chrome opening noticeably quicker. Interacting with photos is much faster too.

    So far so good.
  5. ashleykaryl macrumors regular


    Jul 22, 2011
    Also on a 256 gig SSD, I seem to have lost about 25 gigs of space. It seems to be slower as well, though not unusable.

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4 September 25, 2017