SANYO DENKI Web CATALOGE
Min 1650rpm @30db, 0.09inH2O
Max 5100rpm @58db, 0.90inH2O
It may be noisier but there be flexibility. Just crank up the speed if you aren't getting enough cooling until you reach that sweetspot.
Thanks to r104_for for this useful post! Dec 30th, 11, from K-Dash