Windows 8 and 8.1 Forums


1.5 TB Toshiba Harddrive

  1. #1


    Posts : 60
    Windows 8 x64 Home Edition & Windows 7 x64 Professional

    1.5 TB Toshiba Harddrive


    Hello,
    I just bought a 1.5 TB portable Toshiba harddrive for $109 CA from Bestbuy.
    And when I went to plug it in, to my surprise it is only 1.36TB! My question is what happened to the other 140GB? I mean I got an older computer that has a 150GB hard drive, with that I was able to load Adobe CS3 Master Collection, Office 2007, Windows XP. Along with music, photos etc..
    Anyways, am I missing something here? Why would they advertise 1.5TB and only give me 1.36TB when I plug it in?

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  2. #2


    Posts : 22,582
    64-bit Windows 10


    Hello Yuricuri,

    This is another one of those advertised vs actual size of a hard drive. The link below can give you more details about this.

    HDD's - the Advertized size vs the Actual size. - Windows 7 Support Forums

    Basically: 1.5 TB (advertised) X .9094947 (ratio) = 1.36424205 TB (actual)
      My System SpecsSystem Spec

  3. #3


    San Jose - California
    Posts : 2,847
    8.1x64PWMC Ubuntu14.04x64 MintMate17x64


    Another way to interpret this. Please look at the screen shot:

    Click image for larger version
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  4. #4


    Posts : 60
    Windows 8 x64 Home Edition & Windows 7 x64 Professional


    Thank you very much for such a quick response. And for providing me with an explanation and a link.
      My System SpecsSystem Spec

  5. #5


    Posts : 60
    Windows 8 x64 Home Edition & Windows 7 x64 Professional


    Quote Originally Posted by topgundcp View Post
    Another way to interpret this. Please look at the screen shot:

    Click image for larger version
    Oh okay that makes a lot of sense now. I see what they mean by it. But would that not constitute false advertising then? I mean if 1,500,299,390,967 bytes is actually 1.36TB and they write on the box 1.5 TB then that is false advertising??!? They should write 1.36 TB on the box then?
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  6. #6


    Posts : 22,582
    64-bit Windows 10


    Glad we could help.

    I would say that it's certainly misleading when they are not advertised with the real size instead.
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  7. #7


    San Jose - California
    Posts : 2,847
    8.1x64PWMC Ubuntu14.04x64 MintMate17x64


    This is certainly confusing but not misleading.
    In computer world 1TB = 1024GB not 1000GB
    What you saw 1.36TB is the amount of available space to store data but don't forget that Windows does reserved about 10% of the disk capacity for Master File Table (MFT) and does not show anywhere and that's what confusing.
    So take everything into account, it is in fact 1.5TB capacity
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  8. #8


    Posts : 22,582
    64-bit Windows 10


    Hello topgundcp,

    I understand all that, but for the average person that doesn't, this will be misleading to them since it's not what they will actually have available. The hard drive manufacturers should have the "real" actual size on the label instead to avoid this.
      My System SpecsSystem Spec

  9. #9


    Posts : 60
    Windows 8 x64 Home Edition & Windows 7 x64 Professional


    Thank you for explaining this, and I appreciate both sides of this. It is misleading, but I do understand it now.
    I appreciate everyones help, time, and effort.
      My System SpecsSystem Spec

1.5 TB Toshiba Harddrive
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