If you're the kind of of user who likes to be in control of everything that's happening on your computer, you need a tool like Moo0 SystemMonitor Portable.
Moo0 SystemMonitor Portable displays a customizable bar on your desktop with all sorts of relevant information about your system. You'll be able to check CPU and memory usage, uptime, temperature, download and upload speed rates, active processes, connections and many other details.
Of course, you can select which ones of all these available fields you want to include on Moo0 SystemMonitor Portable's bar. You can also configure its behavior (like having it always on top or making it hide automatically) and customize its appearance with skins and transparency effects. However there's no option to rearrange fields in any way.
Moo0 SystemMonitor Portable is a highly customizable desktop bar that monitors your system and displays important information about it.