❤One Divinded into Two: one 4 pin fan connector a wire that sends the RPM signal to the motherboard connector for synchronizing the fan speed with the other fan; and one 3 pin fan connector omits the RPM signal pin for tandem fan speeds with both fans ❤Keep Same Speed: MOBO 4-Pin receptacle connects to the 4-Pin header on the motherboard and splits the signal to 2 PWM fans; Fans can spin at the same speed using software from a motherboard equipped with PWM control.The fan adapter is compatible with 3-pin and 4-pin PC fans. ❤Increase Airflow: This PWM fan splitter cable connects 2 computer case fans to a single motherboard fan header to increase airflow in your computer case, adding ventilation and regulating the fan speed in a computer case for a gaming rig. ❤High quality: The cooling fan cable is covered with fine nylon for long-term years' use. High quality high density black sleeved able, 24AWG, and the length is about 10.6 inch (27cm). ❤This Dual Case Fan Power Adapter is compatible with popular brands of computer case cooling fans, and can be used for a motherboard 4pin interface powering for multiple cooling fans and PWM speed control, lengthen and extend the motherboard 4-pin interface.
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