What's the difference between 'CPU FAN' socket, 'CPU OPT' socket, and a 'SYS FAN' socket on motherboard? - Quora
![The H150i - There is CPU_OPT, CPU_Fan or AIO_Pump on the mainboard. I have to put it in AIO_Pump, right? Thanks : r/pcmasterrace The H150i - There is CPU_OPT, CPU_Fan or AIO_Pump on the mainboard. I have to put it in AIO_Pump, right? Thanks : r/pcmasterrace](https://i.redd.it/2y75zzw1gy361.jpg)
The H150i - There is CPU_OPT, CPU_Fan or AIO_Pump on the mainboard. I have to put it in AIO_Pump, right? Thanks : r/pcmasterrace
![Asus z170-a [37/130] Cpu water pump cpu optional extension and chassis fan connectors 4 pin cpu_fan 3 pin w_pump 4 pin cpu_opt 5 pin ext_fan 4 pin cha_fan1 4 Asus z170-a [37/130] Cpu water pump cpu optional extension and chassis fan connectors 4 pin cpu_fan 3 pin w_pump 4 pin cpu_opt 5 pin ext_fan 4 pin cha_fan1 4](https://mcgrp.ru/views2/1162356/page37/bg25.png)
Asus z170-a [37/130] Cpu water pump cpu optional extension and chassis fan connectors 4 pin cpu_fan 3 pin w_pump 4 pin cpu_opt 5 pin ext_fan 4 pin cha_fan1 4
![Asus z87-c [40/96] 4 pin cpu_fan 4 pin cpu_opt 4 pin cha_fan1 3 4 pin cpu_fan 4 pin cpu_opt 4 pin cha_fan1 3 Asus z87-c [40/96] 4 pin cpu_fan 4 pin cpu_opt 4 pin cha_fan1 3 4 pin cpu_fan 4 pin cpu_opt 4 pin cha_fan1 3](https://mcgrp.ru/views2/1159718/page40/bg28.png)