be quiet! Silent Wings Pro 4 120 mm PWM Fan @ TechPowerUp
 

be quiet! updates its successful Silent Wings 3 lineup of premium PC case and radiator fans with the new Silent Wings 4. Today we examine the Silent Wings Pro 4 120 mm that aims to be a master of all trades, offering multiple RPM operating modes on top of an updated fan design for improved performance while still being quiet.

https://www.techpowerup.com/review/b...20-mm-pwm-fan/