IgorsLAB published The marathon starts: Review with 6 case and radiator fans from be quiet! Black Noise, Corsair, Cooler Master, Noctua and Thermaltake A quote from the article:

Fans are a dime a dozen, but which fan fits which system? Is a model suitable as a case fan and how does it really perform on different radiators? What about the real speed range, how high is the start-up speed and what parameters does such a fan offer over the speed range.

  The marathon starts: Review with 6 case and radiator fans from be quiet! Black Noise, Corsair, Cooler Master, Noctua and Thermaltake