Memory Limits for Windows Releases
169 words, 1 minutes
This is a quick summary of memory limitations for Microsoft Windows releases that I often have to deal with:
| System | Edition | Memory limit |
|---|---|---|
| Windows XP | 32-bit | 4GB |
| Windows XP | 64-bit | 128GB |
| Windows Vista | 32-bit (≥Home Basic) | 4GB |
| Windows Vista | 64-bit (≥Business) | 128GB |
| Windows 7 | 32-bit (≥Home Basic) | 4GB |
| Windows 7 | 64-bit (≥Professional) | 192GB |
| Windows 2003 | 32-bit, Standard Edition | 4GB |
| Windows 2003 | 32-bit, Enterprise Edition | 32GB |
| Windows 2003 | 32-bit, Datacenter Edition | 128GB |
| Windows 2003 R2 | 32-bit, Standard Edition | 4GB |
| Windows 2003 R2 | 32-bit, Enterprise Edition | 64GB |
| Windows 2003 R2 | 32-bit, Datacenter Edition | 128GB |
| Windows 2003 | 64-bit, Standard Edition | 16GB |
| Windows 2003 | 64-bit, Enterprise Edition | 64GB |
| Windows 2003 | 64-bit, Datacenter Edition | 512GB |
| Windows 2003 R2 | 64-bit, Standard Edition | 32GB |
| Windows 2003 R2 | 64-bit, Enterprise Edition | 1TB |
| Windows 2003 R2 | 64-bit, Datacenter Edition | 1TB |
| Windows 2008 | 32-bit, Standard | 4GB |
| Windows 2008 | 32-bit, Enterprise | 64GB |
| Windows 2008 | 32-bit, Datacenter | 64GB |
| Windows 2008 | 64-bit, Standard | 32GB |
| Windows 2008 | 64-bit, Enterprise | 2TB |
| Windows 2008 | 64-bit, Datacenter | 2TB |
For more details, check the Microsoft Web Site.