Made by CPUID who are also responsible for CPU-Z and PC Wizard, HWMonitor is a great tool for displaying the majority of your systems temperatures, fan speeds and voltages. Setting the speed too low, or too high might damage your system, or cause it to use more power than it normally does. The go-to app for setting a custom fan speed on Windows 10 is SpeedFan. Examples of these programs are HWMonitor, ... which shows the load, temperature, clock speed and cooler fan speed. HWMonitor is a hardware monitoring program that reads PC systems main health sensors : voltages, temperatures, fans speed. In addition, it can read modern CPUs on-die core thermal sensors, as well has hard drives temperature via S.M.A.R.T, and video card GPU temperature. As for the number of fans that show up in HWMonitor, your motherboard can support 4 fans (CPU fan and 3 case fans). Hence this is all about the SpeedFan software to control the fan speed on the computer, you can check out more details about the program and also download the software on the official site visit: SpeedFan Software Fan Controller.. 2: Open Hardware Monitor. The program handles the most common sensor chips, like ITE® IT87 series, most Winbond® ICs, and others. There are no real options as such, apart from a function to save monitoring or SMBus data to a text file. Staff member. It’s a pretty great app but in some cases your system’s fans may not show up in the Fan tab. After i istalled HWMonitor plugins i'm able to see CPU temperature and CPU Cores Frequences but no fan speed. Page 27 of Z87X-OC manual gives fan header pin-out. This is another powerful software to change fan speed Windows 10. VCC used to mean Voltage at a Common Connector. Hi, Recently my built in cpu fan in my Acer Aspire V3-531G started being very loud and pretty much shaking my laptop when running,so i decided to check out the rpm with SpeedFan.But it couldnt detect any fans,so i tried HWMonitor;same thing here,no fan detected. The CPU fan is PWM and can change speed, but the case fan is not PWM, and can only run at one speed unless you install a fan controller. HWMonitor. Speed: Monitor the fanspeeds of your CPU Cooloer, Case Fans & GPU of your CPU, GPU and Case Fans. Then I got curious about at what rpm are my fans spinning and wanted to check it out, I installed hwmonitor and got a little bit suprised. Not sure what Giganbyte's meaning is, but I doubt it is PWM SYS_FAN 5/6 do not have pin 3 RPM sensor function. My system has 5 running fans, two exhaust on the top left, a 120mm radiator on the front with push pull as an intake so two fans there and another fan below the radiator as an intake too. CPU fan speed control with SpeedFan. 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