Microsoft Windows Server 2003 R2 Standard Edition

Processor
PC with a 133-MHz processor required; 550-MHz or faster processor recommended; support for up to four processors on one server
Memory
128 MB of RAM required; 256 MB or more recommended; 4 GB maximum
Hard Disk
1.25 to 2 GB of available hard-disk space
Drive
CD-ROM or DVD-ROM drive
Display
VGA or hardware that supports console redirection required; Super VGA supporting 800 x 600 or higher-resolution monitor recommended
Input Device
Keyboard and Microsoft Mouse or compatible pointing device, or hardware that supports console redirection
Internet Connection
High-speed modem or broadband Internet connection; some Internet functionality may require Internet access, a Microsoft .NET Passport account, and payment of a separate fee to a service provider; toll charges may apply
Networking
Network adapter appropriate for the type of network to which you wish to connect, and access to an appropriate network infrastructure
Microsoft Windows Server 2003 R2 Standard Edition helps you to increase the effectiveness of your computing operation while reducing IT costs. New features simplify and improve branch server management, storage management, and identity and access management.