The_Unbeliever
Honorary Master
A bit heavy on resources... 
Processor
• Minimum: 1GHz
• Recommended: 2GHz
• Optimal: 3GHz or faster
Note: An Intel Itanium 2 processor is required for Windows Server 2008 for Itanium-based Systems
Memory
• Minimum: 512MB RAM
• Recommended: 1GB RAM
• Optimal: 2GB RAM (Full installation) or 1GB RAM (Server Core installation) or more
• Maximum (32-bit systems): 4GB (Standard) or 64GB (Enterprise and Datacenter)
• Maximum (64-bit systems): 32GB (Standard) or 2TB (Enterprise, Datacenter, and Itanium-based systems)
Available Disk Space
• Minimum: 8GB
• Recommended: 40GB (Full installation) or 10GB (Server Core installation)
• Optimal: 80GB (Full installation) or 40GB (Server Core installation) or more
Note: Computers with more than 16GB of RAM will require more disk space for paging, hibernation, and dump files
DVD-ROM drive
Display and Peripherals
• Super VGA (800 x 600) or higher-resolution monitor
• Keyboard
• Microsoft Mouse or compatible pointing device
And why hibernation support?
Processor
• Minimum: 1GHz
• Recommended: 2GHz
• Optimal: 3GHz or faster
Note: An Intel Itanium 2 processor is required for Windows Server 2008 for Itanium-based Systems
Memory
• Minimum: 512MB RAM
• Recommended: 1GB RAM
• Optimal: 2GB RAM (Full installation) or 1GB RAM (Server Core installation) or more
• Maximum (32-bit systems): 4GB (Standard) or 64GB (Enterprise and Datacenter)
• Maximum (64-bit systems): 32GB (Standard) or 2TB (Enterprise, Datacenter, and Itanium-based systems)
Available Disk Space
• Minimum: 8GB
• Recommended: 40GB (Full installation) or 10GB (Server Core installation)
• Optimal: 80GB (Full installation) or 40GB (Server Core installation) or more
Note: Computers with more than 16GB of RAM will require more disk space for paging, hibernation, and dump files
DVD-ROM drive
Display and Peripherals
• Super VGA (800 x 600) or higher-resolution monitor
• Keyboard
• Microsoft Mouse or compatible pointing device
And why hibernation support?