RAM Limitations of Vista Versions

Posted: August 18, 2009 in Vista

The Home versions of Vista suffer from some stricter limitations on available main memory

and peer-to-peer networking than the non-Home versions. We’ll summarize these

limits as follows:

_ 32-bit Vista versions will always be limited to 4 GB of RAM, due to limitations of

x86 processors.

_ 64-bit Vista versions have dramatically different limitations in the various editions:

Home Basic is limited to 8 GB or RAM.

Home Premium is limited to 16 GB of RAM.

Business, Enterprise, and Ultimate can access over 128 GB of RAM.


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