It will monitor temperatures across supported components of the motherboard, such as the GPU and CPU.
Speedfan is for those who really want to keep an eye on system performance and on various peripheral components.
It can monitor fan speeds and automatically change fan speeds in accordance with heat, but it can do a lot more too. It is for those who want all of their information presented without fuss or favor. Speedfan is probably the most popular fan control software and is also free.
