10-Port Fan Hub: Supports 10 PWM 4 pin Fans at the same time. Compact design can save space and make the wire more tidy. PWM Function: Each port has its own PWM function and the fan speed can be adjusted at the same time. (Only the speed of the red port can be identified by the system.) Stable SATA Power Input: Simple and stable. Only one SATA connection to the system. Easy to install: Double-sided adhesive for easy installation and more stable standing in the surface.