Memory Limits for Windows Releases

http://msdn.microsoft.com/en-us/library/windows/desktop/aa366778%28v=vs.85%29.aspx#physical_memory_limits_windows_7   Physical Memory Limits: Windows Server 2008 R2 The following table specifies the limits on physical memory for Windows Server 2008 R2. Windows Server 2008 R2 is available only in 64-bit editions. Version Limit on X64 Limit on IA64 Windows Server 2008 R2 Datacenter 2 TB Windows Server 2008 R2 Enterprise 2 TB Windows Server 2008 R2 for Itanium-Based Systems 2 TB Windows Server 2008 R2 Foundation 8 … Read more