Quote Originally Posted by John Planet View Post
Whether the difference is minor or major depends on what the individual requires from said fan. For me, trying to build my first "quiet" rig, I wanted performance without a lot of noise. The Noc's I picked delivered on a few levels, and not just because they're 1300RPM. Blade design DOES help to a tangible degree in my case.
Blade design is a big part of fan design, but in the instances we are talking about here, with this 90cfm/19db fans, its just an outright lie. You could have a bunch of spinning celery sticks and it still not gona produce what is being stated in the specs.