AsiaHorse COSMIQ-RE-Black 120mm UNI Fan Infinity Mirror FDB Reverse Fan with 5V 3-PIN Connector and Small Controller Daisy Chain PWM PC RGB Fans for Cases CPU Liquid Coolers 3Pack

Dynamic Rotation Speed: Each pc fan is designed with PWM control the fan speed can be manually adjusted via software. Supports up to 800-2000 RPM and 68.5CFM airflow per fan providing plenty of air pressure to keep system cool.