upHere Computer Case Fan Pack

1.Economic solution for perfect performance.. 2.Tuned for high-airflow, large volume cooling, silent operation as an excellent choice for case cooling.. 3.PWM version with excellent balance of performance and quietness, supports automatic motherboard speed control.. 4.The most commonly 120mm size for computer case.Compatible pwm 4-pin connector for mainboard.. 5.What You Get:12BK4 3-PACK Case Fans, our worry-free 12-month warranty and friendly customer service.