m5878l/m usb 3 mother board 3 pin control

[leyton1]

i have a Artic cool 3 pin chassis fan can i control this?

 

[officialexpert]

i have a Artic cool 3 pin chassis fan can i control this?

Yes You can,If you want to control Fan speed Connect 3 pin to your Motherboard @ SYS_FAN or CHA_FAN Header.
If you do not want to connect It is ok,you can connect directly to PSU with 4 pin Molex Adapter.