Physical Memory Limits: Windows Server 2008
The following table specifies the limits on physical memory for Windows Server 2008. Limits greater than 4 GB for 32-bit Windows assume that PAE is enabled.
| Version | Limit on X86 | Limit on X64 | Limit on IA64 |
|---|---|---|---|
| Windows Server 2008 Datacenter |
64 GB |
1 TB |
|
| Windows Server 2008 Enterprise |
64 GB |
1 TB |
|
| Windows Server 2008 HPC Edition |
128 GB |
||
| Windows Server 2008 Standard |
4 GB |
32 GB |
|
| Windows Server 2008 for Itanium-Based Systems |
2 TB |
||
| Windows Small Business Server 2008 |
4 GB |
32 GB |
|
| Windows Web Server 2008 |
4 GB |
32 GB |
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