these fans are used work perfectly no unintended noises or damage to blades rtc note you will need a corsair icue hub such as lighting node core to make the rgb work.
BRAND NEW UNOPENED Corsair iCUE SP120 RGB ELITE Performance 120mm PWM Single Fan
CORSAIR iCUE SP120 RGB ELITE Triple Fan Kit with Lighting Node CORE-opened unus
Corsair iCUE AF140 RGB ELITE 140mm PWM Dual Fan Kit - Eight RGB LEDs Per Fan - AirGuide Technology - Fluid Dynamic Bearing - Zero RPM Fan Mode - Included iCUE Lighting Node CORE Controller - Black
CORSAIR iCUE H150i RGB PRO XT 360mm AIO with 3 rgb fans instead of stock
Corsair iCUE QL140 RGB, 140 mm RGB LED PWM Fan, Single Pack - White
