![Question - What location is CPU Fan 1 and 2? And also chassis fan 1 and 2? I'm looking to adjust fan settings, but not sure which is which. : r/pcmasterrace Question - What location is CPU Fan 1 and 2? And also chassis fan 1 and 2? I'm looking to adjust fan settings, but not sure which is which. : r/pcmasterrace](https://preview.redd.it/ah14gw1fxwd41.jpg?width=640&crop=smart&auto=webp&s=d1a9eeba9f77301962509e13a9f6aa713e3c4498)
Question - What location is CPU Fan 1 and 2? And also chassis fan 1 and 2? I'm looking to adjust fan settings, but not sure which is which. : r/pcmasterrace
![Stupid prebuilt had the Aio 3 pin plugged into "cpu fan" and the radiator fan plugged into "sys fan1" because the cord looks like it was too short to reach the "cpu Stupid prebuilt had the Aio 3 pin plugged into "cpu fan" and the radiator fan plugged into "sys fan1" because the cord looks like it was too short to reach the "cpu](https://preview.redd.it/yk228f44mij61.jpg?width=640&crop=smart&auto=webp&s=e2338bd1fdf268f1999b0c2d91be10000aabaa28)
Stupid prebuilt had the Aio 3 pin plugged into "cpu fan" and the radiator fan plugged into "sys fan1" because the cord looks like it was too short to reach the "cpu
![What's the difference between 'CPU FAN' socket, 'CPU OPT' socket, and a 'SYS FAN' socket on motherboard? - Quora What's the difference between 'CPU FAN' socket, 'CPU OPT' socket, and a 'SYS FAN' socket on motherboard? - Quora](https://qph.fs.quoracdn.net/main-qimg-4ecadff15cb9df937d1a86c1ad9f9bf1.webp)
What's the difference between 'CPU FAN' socket, 'CPU OPT' socket, and a 'SYS FAN' socket on motherboard? - Quora
![3-pin CPU fan always at 100% (due to PWM only mode), should I connect it to SYS_FAN (Voltage mode)? : r/buildapc 3-pin CPU fan always at 100% (due to PWM only mode), should I connect it to SYS_FAN (Voltage mode)? : r/buildapc](http://i.imgur.com/mVb4lTy.jpg)