FanControl is a highly customizable portable Open Source GPU and CPU fan management utility.

With FanControl, you will be able to control almost every aspect of your machine's fans. This process is accomplished through an easy-to-configure and use interface that offers a nice variety of features that will help keep your machine's GPU and CPU fans running at optimal speeds while providing you with up-to-date details on their performance.

FanControl will be a useful asset for any geek looking to have more control over fan speeds even through multiple profiles allowing for quick use depending on the specific situation at hand.

FanControl Features:

Save, edit and load multiple profiles
Multiple temperature sources ( CPU, GPU, motherboard, hard drives, ".sensor" file )
Custom fan curves
Fine-tune the fan control response with steps, activation %, response time and hysteresis
Mix different curves and sensors together
Modern, dashboard-style UI
Works as a background application with a customizable tray icon
Create custom external temperature sensors with *.sensor files.
And more

Fan curve types:

Linear: Temperature based linear function
Graph: Temperature based custom curve
Target: Temperature based that holds speed until target temperature is reached
Mix: Use two different curves and apply a mix function (Max, Sum)
Sync: Sync to an existing control
Flat: Set a fixed %

Graph fan curve editor:

Add, remove and drag points around the graph
Copy and paste points from a graph to another
Fine-tune the response with the hysteresis and response time parameters

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