Performance Monitor is a program that shows you the CPU, memory, disk, and network utilization under Windows NT platforms. It's composed by four fully configurable small graphs and it can work in the tray area also.
The windows are fully attachable and by moving the "CPU" window you'll move the other attached windows. Performance Monitor can become transparent and permits you to forward left-mouse clicks so you can place it anywhere
What's new in this version:
Version 4.1 added network max bandwidth in settings, ability to set the update interval time, and ability to backup and restore position of panels.