Windows Memory Limits: Based on http://msdn.microsoft.com/en-us/library/aa366778%28VS.85%29.aspx
Windows XP
|
32 bit |
64 bit |
|
|
SP1 |
SP2 |
SP3 |
|
SP1 |
SP2 |
SP3 |
| Home Edition |
4GB |
4GB |
4GB |
4GB |
|
|
|
|
| Professional Edition |
4GB |
4GB |
4GB |
4GB |
128GB |
128GB |
128GB |
128GB |
Windows Vista
|
32 bit |
64 bit |
|
|
SP1 |
SP2 |
|
SP1 |
SP2 |
| Windows Vista Starter |
1GB |
1GB |
1GB |
|
|
|
| Windows Vista Home Basic |
4GB |
4GB |
4GB |
8GB |
8GB |
8GB |
| Windows Vista Home Premium |
4GB |
4GB |
4GB |
16GB |
16GB |
16GB |
| Windows Vista Business |
4GB |
4GB |
4GB |
128GB |
128GB |
128GB |
| Windows Vista Enterprise |
4GB |
4GB |
4GB |
128GB |
128GB |
128GB |
| Windows Vista Ultimate |
4GB |
4GB |
4GB |
128GB |
128GB |
128GB |
Windows 7
|
32 bit |
64 bit |
| Windows 7 Starter |
2GB |
2GB |
| Windows 7 Home Basic |
4GB |
8GB |
| Windows 7 Home Premium |
4GB |
16GB |
| Windows 7 Professional |
4GB |
192GB |
| Windows 7 Enterprise |
4GB |
192GB |
| Windows 7 Ultimate |
4GB |
192GB |
Windows 2000
|
32 bit |
|
|
SP1 |
SP2 |
SP3 |
SP4 |
| Windows 2000 Professional |
4GB |
4GB |
4GB |
4GB |
4GB |
| Windows 2000 Server |
4GB |
4GB |
4GB |
4GB |
4GB |
| Windows 2000 Advanced Server |
8GB |
8GB |
8GB |
8GB |
8GB |
| Windows 2000 Datacenter Server |
32GB |
32GB |
32GB |
32GB |
32GB |
Windows Server 2003
|
32 bit |
64 bit |
|
|
SP1 |
SP2 |
|
SP1 |
SP2 |
| Windows Server 2003 Standard |
4GB |
4GB |
4GB |
16GB |
32GB |
32GB |
| Windows Server 2003 Enterprise |
32GB,16GB with 4GT |
64GB,16GB with 4GT |
64GB |
64GB |
1TB |
2TB |
| Windows Server 2003 Datacenter |
128GB,16GB with 4GT |
128GB,16GB with 4GT |
128GB,16GB with 4GT |
512GB |
1TB |
2TB |
| Windows Server 2003 R2 Standard |
|
4GB |
|
|
32GB |
|
| Windows Server 2003 R2 Enterprise |
|
64GB,16GB with 4GT |
|
|
1TB |
|
| Windows Server 2003 R2 Datacenter |
|
128GB,16GB with 4GT |
|
|
1TB |
|
Windows Small Business Server 2003 is not supported
Windows Server 2003 Web is not supported
Windows Server 2008
|
32 bit |
64 bit |
|
|
SP2 |
|
SP2 |
| Windows Server 2008 Standard |
4GB |
4GB |
32GB |
32GB |
| Windows Server 2008 Enterprise |
64GB |
64GB |
2TB |
2TB |
| Windows Server 2008 Datacenter |
64GB |
64GB |
2TB |
2TB |
Windows Small Business Server 2008 is not supported
Windows Web Server 2008 is not supported
Windows Server 2008 HPC Edition is not supported
Windows Server 2008 R2
|
64 bit |
|
|
| Windows Server 2008 R2 Standard |
32GB |
| Windows Server 2008 R2 Enterprise |
2TB |
| Windows Server 2008 R2 Datacenter |
2TB |
Windows Small Business Server 2008 is not supported
Windows Server 2008 R2 Foundation is not supported.
Windows Web Server 2008 R2 is not supported
Windows Server 2008 R2 HPC Edition is not supported