DeepCool FH-10 Integrated Fan Hub Powering up to 10 Fans (3-pin Non-PWM or 4-pin PWM) Occupying only One 4-pin M.B Header: Product FH-10 is an integrated fan hub which is capable of powering up to 10 fans (3-pin or 4-pin) , while occupying only one 4-pin motherboard header which can be either system fan or CPU fan.If non-PWM fans are connected to this fan hub, this fan hub CANNOT give them extra PWM function.