Open source hardware sensor monitor

Some of you like open source software and many of you prefer open source over anything. So here you are, an open source hard sensor monitor for Windows.

The Open Hardware Monitor is a free open source application that monitors temperature sensors, fan speeds, voltages, load and clock speeds of a computer. It supports most hardware monitoring chips found on today’s mainboards like the ITE, Winbond and Fintek families. The CPU temperature can be monitored by reading the core temperature sensors of Intel and AMD processors. The sensors of ATI and Nvidia video cards as well as SMART hard drive temperature can be displayed.

Additionally, it can plot the history of a component’s temperature over time on a graph. Multiple temperature graphs for multiple sensors can be plotted simultaneously.


One cool feature of Open Hardware Monitor is that you can display any of the sensor indicators on the system tray. For instance, if you want to monitor the GPU temperature, simply right click on the parameter and choose “Add to tray”. You can place any number of sensors as the tray can accommodate.


Supported Hardware

CPU core sensors

  • Intel Core 2, Core i3/i5/i7
  • AMD K8 (0Fh family), K10 (10h family)

Mainboard sensors

  • ITE IT8712F, IT8716F, IT8718F, IT8720F, IT8726F
  • Fintek F71858, F71862, F71869, F71882, F71889ED, F71889F
  • Winbond W83627DHG, W83627DHG-P, W83627EHF, W83627HF, W83627THF, W83667HG, W83667HG-B, W83687THF

GPU sensors

  • Nvidia
  • ATI

Hard disks

  • S.M.A.R.T. sensors

Fan controllers

  • T-Balancer bigNG

Open Hardware Monitor runs on both 32-bit and 64-bit Microsoft Windows operating systems without installation.

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