New HDD, 500GB - 460 GB - Gb -GB - GiB?!

Discussion in 'MacBook Pro' started by Dr-Ludvig, Dec 25, 2009.

  1. Dr-Ludvig macrumors newbie

    Dec 2, 2009
    Yeah, so i just bought a new WD Scorpio Blue 500 GB HDD, and after putting it in, i discovered to my surprise, that the total capacity was actually 500 GB, whereas i thought it would be somewhere in the area of 460-470 GB?
    In my desktop my 1TB HDD's come out as 940 B or something like that..
    Now i'm very happy with the actual 500 GB, but still just wondering why?
    Anyone know why?
  2. dukebound85 macrumors P6


    Jul 17, 2005
    5045 feet above sea level
    Snow Leopard uses Base 10 instead of Base 2 counting like all previous OS's did

    You will also find that your files will be "larger" than what they are on Leopard as a result of this difference in counting
  3. TheWelshBoyo macrumors 6502

    Dec 14, 2008
    Cardiff, Wales

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