be quiet! Pure Rock Pro 3 CPU Cooler Review

Output Noise & Fan(s) Speed

Noise Level @ 40%-100% of Max Speed

Noise_40Percent

Noise_50Percent

Noise_60Percent

Noise_70Percent

Noise_80Percent

Noise_90Percent

Noise_100Percent

The pair of fans is relatively quiet compared to other air coolers.

PWM Level @ Noise & RPM

Fan_Percentage_RPM

Fan_Percentage_Noise

Noise Level @ Fan Speed

RPM_15dBA

RPM_20dBA

RPM_25dBA

RPM_30dBA

RPM_Full_Speed

The higher the RPM in these charts, the better.