What are the Windows Server 2003 Hardware/System requirements?
Review the table on this page to determine the minimum and recommended system requirements needed to run Windows Server 2003, Standard Edition, Enterprise Edition, Datacenter Edition, and Web Edition.
Requirement
Standard Edition
Enterprise Edition
Datacenter Edition
Web Edition
Minimum CPU Speed
133 MHz
133 MHz for x86-based computers
733 MHz for Itanium-based computers*
400 MHz for x86-based computers
733 MHz for Itanium-based computers*
133 MHz
Recommended CPU Speed
550 MHz
733 MHz
733 MHz
550 MHz
Minimum RAM
128 MB
128 MB
512 MB
128 MB
Recommended Minimum RAM
256 MB
256 MB
1 GB
256 MB
Maximum RAM
4 GB
32 GB for x86-based computers
512 GB for Itanium-based computers*
64 GB for x86-based computers
512 GB for Itanium-based computers*
2 GB
Multiprocessor Support **
Up to 4
Up to 8
Minimum 8 required
Maximum 64
Up to 2
Disk Space for Setup
1.5 GB
1.5 GB for x86-based computers
2.0 GB for Itanium-based computers*
1.5 GB for x86-based computers
2.0 GB for Itanium-based computers*
1.5 GB
* Important: The 64-bit versions of Windows Server 2003, Enterprise Edition and Windows Server 2003, Datacenter Edition are only compatible with 64-bit Intel Itanium-based systems. They cannot be successfully installed on 32-bit systems.