ARCTIC 4-Pin PWM Fan Splitter Cable PST Splitter Cable for 4 PWM + PST Case Fans
4 x 4-pin PWM Socket (RPM Signal on the first socket only). Synchronizes the fan speed based on your PWM settings. 1 x 4-pin PWM Connector. 2 x Arctic P14 PWM White 14cm 140mm Pressure Optimised 4pin PC Case Fans 24 Del.