What's the difference between 'CPU FAN' socket, 'CPU OPT' socket, and a 'SYS FAN' socket on motherboard? - Quora
![1 To 1 2 3 4 Splitter PWM 4pin 3pin Computer Mainboard CPU Fan Connector Extention Cables 3 4 Pins for Computer Cooling System - AliExpress 1 To 1 2 3 4 Splitter PWM 4pin 3pin Computer Mainboard CPU Fan Connector Extention Cables 3 4 Pins for Computer Cooling System - AliExpress](https://ae01.alicdn.com/kf/H486fe7599af740409daa41f2fa510cabP.jpg_640x640Q90.jpg_.webp)
1 To 1 2 3 4 Splitter PWM 4pin 3pin Computer Mainboard CPU Fan Connector Extention Cables 3 4 Pins for Computer Cooling System - AliExpress
![What's the difference between the CPU FAN” socket, CPU OPT socket, and the SYS FAN socket on motherboard? – All The Differences What's the difference between the CPU FAN” socket, CPU OPT socket, and the SYS FAN socket on motherboard? – All The Differences](https://allthedifferences.com/wp-content/uploads/2022/02/cpuf-1-728x546.jpg.webp)
What's the difference between the CPU FAN” socket, CPU OPT socket, and the SYS FAN socket on motherboard? – All The Differences
![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.cf2.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)