My case (Antec 1080AMG) claims the follow fan specs; 2000 RPM, 17.3 CFM, 25 dB(A). They are pretty darn loud. Not insane, but annoying enough.
I found these: Nexus Real Silent 80MM Case Fan which claim; 1500 RPM, 20 CFM, 17 dB(A).
Can I reasonably expect these fans to move more air and...