Memory Limits for Windows Releases

Memory Limits in Windows | Admin Arsenal
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Knowing how your systems manage memory is critical to your job as a sys admin. With Windows 7 coming down it’s also critical to know what to expect. This will be particularly helpful when you are ordering new systems and preparing to migrate older apps to newer OS’s.

The first resource to tap is MSDN. Microsoft provides a table for its OS’s. You’ll note that Win7 is not listed. ZDNet did post the limits on their Hardware 2.0 blog.

I suggest checking out Mark Russinovich’s blog on the topic. Physical memory is his first article in his “Pushing the limits of Windows” series (he just posted number four).