Windows Memory Limits

Windows Memory Limits

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 8

	32 bit	64 bit
Windows 8	4GB	128GB
Windows 8 Professional	4GB	512GB
Windows 8 Enterprise	4GB	512GB

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

 

 Windows Server 2012

	64 bit
Windows Server 2012 Datacenter	4TB
Windows Server 2012 Standard	4TB

Windows Server 2012 Essentials is not supported.
Windows Server 2012 Foundation is not supported.
Windows Storage Server 2012 Workgroup is not supported
Windows Storage Server 2012 Standard is not supported