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4 GB
192 GB
Windows 7 Enterprise4 GB
192 GB
Windows 7 Professional4 GB
192 GB
Windows 7 Home Premium4 GB
16 GB
Windows 7 Home Basic4 GB
8 GB
Windows 7 Starter2 GB
N/A
With32-bit Windows, you can use a maximum of4GB RAM.64-bit Windows7 runs very fast with4GB and you can upgrade your RAM to8 or16 GB later, making your system future-proof. A32-bit OS can theoretically use up to4 GB of RAM, but32-bit versions of Windows Vista and Windows7 see a maximum of3.12 GB. With64-bit Windows7, you can use the full4GB RAM. You get better security with64-bit Windows. All64-bit device drivers are digitally signed, which means you will not have random crashes. You also get more advanced security features like Kernel Patch Protection with64-bit Windows7. Since64-bit systems process more information and support greater RAM, Windows7 is more responsive when you are running complex applications or many applications simultaneously. If you use graphics applications like Photoshop, video editing, games, CAD, etc., you should go64-bit. Not all applications have64-bit versions that take advantage of the64-bit architecture, but you can expect more of them after Windows7 goes mainstream. Meanwhile, most32-bit applications work fine under64-bit Windows. If any of them don’t for some reason, you can reasonably expect the application developers to fix any issues, because a lot of people will be running64-bit Windows.
4Gb
http://msdn.microsoft.com/en-us/library/windows/desktop/aa366778%28v=vs.85%29.aspx
The maximum limit of RAM in windows732 is4GB
Windows7 ultimate32 bit doesnt read mor the3.67 gb when you install4 gb on it
IT will be2.99 in XP and3.25 GB in window7 where as in theory it says4 GB..
2.75 GB to3.5 GB depending on Motherboard and OS.
4 GB Ram is Maximum Supported by32 bit OS
