The specs show the fan headers dubbed as "Fan Headers – 7 (3 PWM, 4 DC)". What does the "3 PWM" designate (I assume one will be for the CPU cooler fan) ??
DS system build with:
I7-8700k w/32 GB RAM
Corsair H100i V2 CPU cooler
Evga 750W PS
Evga RTX 3070 XC Ultra Gaming
Acer Predator 27" IPS 144 Hz monitor
W10 Home Edition