PRODUCT SPECIFICATION ARGB & PWM 2-in-1 PC FAN HUB Product Size: 5.75*1.96*0.53 inch PWM 4PIN: 9 Port PWM Rated voltage: 12V RGB 3PIN: 9 Port LED Rated Voltage: 5V Power Supply interface: SATA Remote Control: 14 Keys Widely Compatible---The fan hub splitter supports up to 9 fans, including 9 4pin PWM ports and 9 ARGB ports for ARGB fans and ARGB LED strips. The installation is convenient and efficient.4Pin PWM ports supports both 3Pin and 4Pin fans,PWM function depend on fans, so 3pin fan connect the hub don't have pwm function.