![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://i.redd.it/yk228f44mij61.jpg)
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
![Amazon.com: MACHINIST Intel B75 Motherboard+CPU Air Cooler, LGA 1155(Intel 2th/3th Gen) Computer Motherboard with 120mm RGB CPU Fan Cooler 4 Copper Heatpipes 9 Blade PWM Heatsink for Core i3,i5,i7/Xeon E3 V2 : Amazon.com: MACHINIST Intel B75 Motherboard+CPU Air Cooler, LGA 1155(Intel 2th/3th Gen) Computer Motherboard with 120mm RGB CPU Fan Cooler 4 Copper Heatpipes 9 Blade PWM Heatsink for Core i3,i5,i7/Xeon E3 V2 :](https://m.media-amazon.com/images/I/71Opo7-BbtL._AC_UF894,1000_QL80_.jpg)
Amazon.com: MACHINIST Intel B75 Motherboard+CPU Air Cooler, LGA 1155(Intel 2th/3th Gen) Computer Motherboard with 120mm RGB CPU Fan Cooler 4 Copper Heatpipes 9 Blade PWM Heatsink for Core i3,i5,i7/Xeon E3 V2 :
![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)