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Windows 7: Max RAM is lower with Home and Premium?

03 Nov 2009   #1

Windows 7 Professional
Max RAM is lower with Home and Premium?

I just picked up a Windows 7 book at the bookstore (can't remember the title), but it indicated that the maximum RAM that can be recognized varies by edition. I think this is where it stood:

Home Basic: 8 Gig
Premium: 16 Gig
Professional, Ultimate and Enterprise: 192 Gig

I was surprised by this, as I don't remember seeing in the version matrix that Microsoft posted. It won't be long before 16 Gig is not such a huge number. And I am glad I went for Pro, but my motivation was solely XP Mode. Another goody I had not expected to find is EFS.

My System SpecsSystem Spec
03 Nov 2009   #2

Windows 7 Ultimate x64 SP1

Vista was the same - the x64 version dictated how much RAM you could use. However, Windows 7 increased the max quite a bit! Don't forget that starter is limited to 2GB.
My System SpecsSystem Spec

 Max RAM is lower with Home and Premium?

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