Documentation

The Open Hardware Monitor is a free open source application that monitors temperature sensors, fan speeds, voltages, load and clock speeds of a computer.

Supported Hardware

  • CPU core sensors
    • Intel Core 2, Core i3/i5/i7, Atom, Sandy Bridge, Ivy Bridge, Haswell, Broadwell, Silvermont, Skylake, Kaby Lake, Airmont, Goldmont, Goldmont Plus, Cannon Lake, Ice Lake, Comet Lake, Tremont, Tiger Lake
    • AMD K8 (0Fh family), K10 (10h, 11h family), Llano (12h family), Fusion (14h family), Bulldozer (15h family), Jaguar (16h family), Puma (16h family), Ryzen (17h, 19h family)
  • Mainboard sensors
    • ITE IT8620E, IT8628E, IT8655E, IT8665E, IT8686E, IT8688E, IT8705F, IT8712F, IT8716F, IT8718F, IT8720F, IT8721F, IT8726F, IT8728F, IT8771E, IT8772E, IT8792E/IT8795E
    • Fintek F71808E, F71858, F71862, F71868AD, F71869, F71869A, F71882, F71889ED, F71889AD, F71889F
    • Nuvoton NCT6102D, NCT6106D, NCT6771F, NCT6772F, NCT6775F, NCT6776F, NCT6779D, NCT6791D, NCT6792D, NCT6792D-A, NCT6793D, NCT6795D, NCT6796D, NCT6796D-R, NCT6797D, NCT6798D
    • Winbond W83627DHG, W83627DHG-P, W83627EHF, W83627HF, W83627THF, W83667HG, W83667HG-B, W83687THF
  • GPU sensors
    • Nvidia
    • AMD (ATI)
  • Hard drives
    • S.M.A.R.T. temperature sensors
    • SSD wear level, host reads/writes
  • Fan controllers
    • T-Balancer bigNG
    • Alphacool Heatmaster

Data Interface



Open Hardware Monitor is a free, open-source application that monitors temperature sensors, fan speeds, voltages, load, and clock speeds of a computer. It offers a comprehensive view of the core components contributing to operational efficiency, enabling real-time tracking and diagnostics. Users can efficiently export gathered data in a text-file format for further analysis, making it highly accessible. Supported hardware includes most processors, motherboard chipsets, and graphics cards.
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The Open Hardware Monitor publishes all sensor data to WMI (Windows Management Instrumentation). This allows other applications to read and use the sensor information as well. A preliminary documentation of the interface can be found here.