XtremeComputing posted a review on the Noctua NF-P12+NF-B9 Quiet Fans

A lot of the time I use my computer in the late evenings when the ambient noise is very quiet in my house, so trying to keep PC noise to a minimum is important so as not to annoy me/disturb others. With testing the Noctua NF-P12+NF-B9 fans today I have been treated to a taste of really quiet computing.

Noctua NF-P12+NF-B9 Quiet Fans Review