How much memory can you put into one giant x64 machine and actually use it?


The answer is: 2 Terabyte.

“You can see physical memory support licensing differentiation across the server SKUs for all versions of Windows. For example, the 32-bit version of Windows Server 2008 Standard supports only 4GB, while the 32-bit Windows Server 2008 Datacenter supports 64GB. Likewise, the 64-bit Windows Server 2008 Standard supports 32GB and the 64-bit Windows Server 2008 Datacenter can handle a whopping 2TB. There aren’t many 2TB systems out there, but the Windows Server Performance Team knows of a couple, including one they had in their lab at one point. Here’s a screenshot of Task Manager running on that system:”

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P.S.: Thx boonkerz.

Source: http://blogs.technet.com/markrussinovich/archive/2008/07/21/3092070.aspx

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