Speedfan is a hardware monitor that can control the PC temperature. It's a special software that can show voltages, fan speeds and temperatures of computer and laptops. This software also access S.M.A.R.T info and can even change the fan speeds according to the hardware requirement and can reduce the noise also.
System Requirement: XP, Vista, Windows 7, Windows 8, Windows 10
Speedfan - PC Cooler Software