be quiet!
Case Fan(s) Speed dB(A) Case Fan(s) Speed (RPM)
ModelTypeNumber Of Stock FansNoise Dampening DB(A)100%75%50%35 dB(A)30 dB(A)25 dB(A)DateReport
Dark Base Pro 900 rev. 2 Midi-Tower34.337.429.818.8136511579302019-11-27
Pure Base 500 Midi-Tower24.027.320.712.7**951/8262019-11-27
(*) Those measurements couldn't be performed because either the stock fans don't fall into this dB(A) range or their speed cannot be adjusted