![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.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
![Improving System Cooling Part 1 How and why to add case fans to your system | Improving System Cooling Part 1 How and why to add case fans to your system | InformIT Improving System Cooling Part 1 How and why to add case fans to your system | Improving System Cooling Part 1 How and why to add case fans to your system | InformIT](https://www.informit.com/content/images/art_upgrade08_03_02/elementLinks/Cooling1_Fig05.jpg)
Improving System Cooling Part 1 How and why to add case fans to your system | Improving System Cooling Part 1 How and why to add case fans to your system | InformIT
![Amazon.com: Chassis Fan Hub CPU Cooling | 10 Port 12 V SATA to Fan-Header with 4 Pin PWM Controller | Dedicated Supply from PSU to Link Multiple Points : Electronics Amazon.com: Chassis Fan Hub CPU Cooling | 10 Port 12 V SATA to Fan-Header with 4 Pin PWM Controller | Dedicated Supply from PSU to Link Multiple Points : Electronics](https://m.media-amazon.com/images/S/aplus-media/sc/d92cf419-4f7d-46b6-9861-4d93ab67fb6d.__CR0,0,970,600_PT0_SX970_V1___.jpg)
Amazon.com: Chassis Fan Hub CPU Cooling | 10 Port 12 V SATA to Fan-Header with 4 Pin PWM Controller | Dedicated Supply from PSU to Link Multiple Points : Electronics
![Amazon.com: Bewinner 4-Pin PWM Fan Hub, 4-pin Male for CPU Fan PC Fans Hub, Computer CPU/Case Fan Power Multi Splitter Connector Cable Adapter for 12V Computer 3-pin 4-pin Fans : Electronics Amazon.com: Bewinner 4-Pin PWM Fan Hub, 4-pin Male for CPU Fan PC Fans Hub, Computer CPU/Case Fan Power Multi Splitter Connector Cable Adapter for 12V Computer 3-pin 4-pin Fans : Electronics](https://m.media-amazon.com/images/I/61DAX5GYMUL._AC_UF894,1000_QL80_.jpg)