Windows Server 2003 R2 Standard Edition, takes the best of Windows 2000 Server technology and makes it easier to deploy, manage, and use. The result is a highly productive operating system that is more secure, reliable, highly available, and scalable.
Advanced networking features such as Internet Authentication Service (IAS), the Network Bridge feature, and Internet Connection Sharing (ICS).
Four-way symmetric multiprocessing (SMP).
4 gigabytes (GB) of RAM.