When I need to reference the physical memory limits for Windows Operating Systems, I seem to waste time trying to locate my notes or searching the Internet. I am posting here so I can remember. Found the information on Microsoft’s site and will use it for future reference.
Below are the Operating Systems and Editions I reference most frequently.
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 |
| Windows Server 2008 R2 Datacenter |
2 TB |
| Windows Server 2008 R2 Enterprise |
2 TB |
| Windows Server 2008 R2 Foundation |
8 GB |
| Windows Server 2008 R2 Standard |
32 GB |
Windows Server 2003 R2
The following table specifies the limits on physical memory for Windows Server 2003 R2. Limits over 4 GB for 32-bit Windows assume that PAE is enabled.
|
Version |
Limit on X86 |
Limit on X64 |
| Windows Server 2003 R2 Datacenter Edition |
64 GB |
1 TB |
| Windows Server 2003 R2 Enterprise Edition |
64 GB |
1 TB |
| Windows Server 2003 R2 Standard Edition |
4 GB |
32 GB |
