We have reviewed apps, such as, Speccy that give detailed information of the system. But what if you want check the hardware after building your own custom Windows 7 system? HW Monitor is a portable tool which lets you monitor your computer’s hardware. It is a monitoring program that reads the systems main health sensors like voltages, temperatures, fan speed, etc.
This is a very simple tool, just run the executable file and it will show you the results. It can read modern CPUs on-die core thermal sensors, as well as the hard drives temperature via S.M.A.R.T, and the video card GPU temperature.
You can save the monitoring data, click the File > Save Monitoring Data option and then specify the location where you want to save the file.
Download HW Monitor
It also works on Windows XP and Windows Vista, apart from Windows 7.