Tag Archives: Windows

The Definitive Guide to Windows Supported Memory

In support of my blog on Development and Virtualisation, below is a guide to the maximum supported memory configuration for the current range of Windows Operation Systems.

Windows Server 2008 (32-bit)

OS

Maximum Physical Memory

Hot Memory Support

Add

Replace

Web Edition

4GB

No

No

Standard

4GB

No

No

Enterprise

64GB

Yes

No

Datacenter

64GB

Yes

Yes

 

Windows Server 2008 (x64)

OS

Maximum Physical Memory

Hot Memory Support

Add

Replace

Web Edition

32GB

No

No

Standard

32GB

No

No

Enterprise

2048GB

Yes

No

Datacenter

2048GB

Yes

Yes

Itanium

2048*

Yes

Yes

* Uses IA64 RAM

 

Windows Server 2003 (32-bit)

OS

Maximum Physical Memory

Web Edition

2GB

Standard SP2

4GB

Standard R2

4GB

Enterprise SP2

64GB

Enterprise R2

64GB

Datacenter SP2

128GB*

Datacenter R2

128GB*

* Requires Intel PAE

 

Windows Server 2003 (x64)

OS

Maximum Physical Memory

Standard

32GB

Enterprise

2048GB

Datacenter

2048GB

 

Windows Vista (32-bit)

OS

Maximum Physical Memory

Home Basic

4GB

Home Premium

4GB

Business

4GB

Enterprise

4GB

Ultimate

4GB

 

Windows Vista (x64)

OS

Maximum Physical Memory

Home Basic

8GB

Home Premium

16GB

Business

128GB

Enterprise

128GB

Ultimate

128GB

 

Windows XP (32-bit)

OS

Maximum Physical Memory

Home

4GB

Professional

4GB

Media Center

4GB

 

Windows XP (x64)

OS

Maximum Physical Memory

Professional

128GB