Windows memory allocation comparison (PAE) – All versions
Posted on August 7th, 2008
http://msdn.microsoft.com/en-us/library/aa366778.aspx
Windows 2003
| Version | Limit in 32-bit Windows | Limit in 64-bit Windows |
|---|---|---|
| Windows Server 2003 Service Pack 2 (SP2), Datacenter Edition | 128 GB
64 GB with 4GT |
2 TB |
| Windows Server 2003 Service Pack 2 (SP2), Enterprise Edition | 64 GB | 2 TB |
| Windows Storage Server 2003, Enterprise Edition | 8 GB | Not applicable |
| Windows Storage Server 2003 | 4 GB | Not applicable |
| Windows Server 2003 R2 Datacenter Edition
Windows Server 2003 with Service Pack 1 (SP1), Datacenter Edition |
128 GB
16 GB with 4GT |
1 TB |
| Windows Server 2003 R2 Enterprise Edition
Windows Server 2003 with Service Pack 1 (SP1), Enterprise Edition |
64 GB
16 GB with 4GT |
1 TB |
| Windows Server 2003 R2 Standard Edition
Windows Server 2003, Standard Edition SP1 |
4 GB | 32 GB |
| Windows Server 2003, Datacenter Edition | 128 GB
16 GB with 4GT |
512 GB |
| Windows Server 2003, Enterprise Edition | 32 GB
16 GB with 4GT |
64 GB |
| Windows Server 2003, Standard Edition | 4 GB | 16 GB |
| Windows Server 2003, Web Edition | 2 GB | Not applicable |
| Windows Small Business Server 2003 | 4 GB | Not applicable |
| Windows Compute Cluster Server 2003 | Not applicable | 32 GB |
Windows 2008
| Version | Limit in 32-bit Windows | Limit in 64-bit Windows |
|---|---|---|
| Windows Server 2008 Datacenter (full installation) | 64 GB | 2 TB |
| Windows Server 2008 Datacenter (Server Core installation) | 64 GB | 2 TB |
| Windows Server 2008 Enterprise | 64 GB | 2 TB |
| Windows Server 2008 Standard | 4 GB | 32 GB |
| Windows Server 2008 for Itanium-Based Systems | Not applicable | 2 TB |
| Windows Web Server 2008 | 4 GB | 32 GB |
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Tags: compare, comparison, limit, memory, Microsoft, PAE, supported, Windows 2003, Windows 2008
Filed under Windows 2003, Windows 2008 |
2 Responses to “Windows memory allocation comparison (PAE) – All versions”
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Windows Small Business Server 2003 Service Pack 2 Says:
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How many Processor cores are supported by Windows 2003 Standard Edition | Richard Parmiter Says:
September 16th, 2008 at 1:45 pm[...] In the past there were some limitations emposed on Windows 2003 Standard Edition which in some situations would mean that you would need to spend a bit more money and buy the Enterprise version instead. One of these limitations was memory and specifically related to the PAE environment (as detailed here). [...]