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Thread: Required free HDD space

  1. #1

    Default Required free HDD space


    I heard that when editing in Premiere, for every 1 GB of video, you need 3 GB of free HDD space. Is that true?


  2. #2
    Join Date
    May 2004
    Tasmania, Australia



    Oddly enough, you need 1GB of hard disk space for every 1GB of video files. It's a good idea to keep ~10% of you hard drive empty at all times though, otherwise, the hard drive starts going slower and if you cross a critical line of too much stuff on your hard drive, it is possible to overwrite existing files on your hard drive and create an awful mess that can be irreparable.

  3. #3
    Join Date
    Nov 2003
    Blog Entries


    Actually, thinking about this, doesn't Premiere Pro create preview files in a seperate file? I think this is how it enables the "real time" preview. It also creates Confirmed audio and video files (but I think this is more for cmpressed video). I guess if you're outputing to a DV AVI file, you'll also need spare disk space to output.

    But a 3:1 ration? That's crazy talk isn't it? LOL I'd tend to agree with Mickp here, as generally speaking it would be closer to 1:1!

  4. #4


    Thanks guys, I needed to check this.

    I have almost six hours of material that I have to edit, and only one 20GB HDD available. Since one hour of compressed video is about 12,5GB in size - I thought that just one new 80GB HDD will be enough.

    Then I received this 3:1 information and had to know for sure how big HDD I'll need. From what you wrote, I need one new 160GB HDD.

    Good thing I checked it here first.

    Thanks again.

  5. #5
    Join Date
    May 2004
    Tasmania, Australia


    It will probably take up ~75Gig, so an 80Gig drive probably doesn't leave enough room. 100Gig probably would be Ok, though.
    The saying \"always back up your work\" applies to video aswell!!

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