FreeMeter is a utility that helps you keep track of your system's resources, by monitoring, in real time, disk space use and CPU usage, memory usage, and disk and network transfer rates. FreeMeter can be used for observing your computer's activity or for diagnosing technical problems. You can customize the display to show just the information you're interested in. You also can place icons in the system tray that depict system usage.
Windows Server 2008