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how much gb ram support windows 7 ultimate 32 bit

please help me to this little problem.
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More about ram support windows ultimate bit
  1. 32bit is limited to 4GB though various tricks allow it to use more with PAE
    PAE allows for up to 64GB of RAM though applications are still limited to 2GB each
    http://msdn.microsoft.com/en-us/library/windows/desktop/aa366796(v=vs.85).aspx


    If you want more ram I suggest 64bit
  2. Less than 4. How much less depends upon your particular setup but typically it ends up at around 3GB.
  3. Best answer
    From Microsoft:
    http://msdn.microsoft.com/en-us/library/windows/desktop/aa366778%28v=vs.85%29.aspx

    X86 = 32-bit

    Physical Memory Limits: Windows 8

    The following table specifies the limits on physical memory for Windows 8.
    Version=
    Limit on X86 - Limit on X64
    Windows 8 Enterprise
    4 GB - 512 GB
    Windows 8 Professional
    4 GB - 512 GB
    Windows 8
    4 GB - 128 GB

    Memory Limits: Windows 7
    The following table specifies the limits on physical memory for Windows 7.
    Version=
    Limit on X86 - Limit on X64
    Windows 7 Ultimate
    4 GB - 192 GB
    Windows 7 Enterprise
    4 GB - 192 GB
    Windows 7 Professional
    4 GB - 192 GB
    Windows 7 Home Premium
    4 GB - 16 GB
    Windows 7 Home Basic
    4 GB - 8 GB
    Windows 7 Starter
    2 GB - N/A
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