An interesting quandary. Comparing two fans of the same dimensions. One with what I consider to have rather predictable performance stats while the other seems something between a mystery and a falsehood, given how they choose to advertise their product. (Slim fans in particular, as their potential use in a specific case requires half the 30mm depth of most case fans.)
With fan noise (<21dB) almost always being my most primary concern (non-gaming usage). Vendors posting noise factors in Sones both puzzle and irritate me.
Case and point:
1) Scythe Kaze Flex II 120 Slim PWM -Maximum Noise: 23.9dB, Max. Speed: 1500 RPM, Airflow Capacity: 39.44 CFM
2) ARCTIC P12 Slim PWM -Maximum Noise: 0.3 Sones ( equivalent to 10.64dB ) , Max. Speed: 2100 RPM, Airflow Capacity: 41.1 CFM
* Is one of them less than honest about the performance of their product?
* Or could such disparity be authentic?
* Or am I simply observing the difference between a high static pressure fan and a simple high airflow fan? (Differences that some vendors may not want to heavily emphasize to limit their marketability.)
With fan noise (<21dB) almost always being my most primary concern (non-gaming usage). Vendors posting noise factors in Sones both puzzle and irritate me.
Case and point:
1) Scythe Kaze Flex II 120 Slim PWM -Maximum Noise: 23.9dB, Max. Speed: 1500 RPM, Airflow Capacity: 39.44 CFM
2) ARCTIC P12 Slim PWM -Maximum Noise: 0.3 Sones ( equivalent to 10.64dB ) , Max. Speed: 2100 RPM, Airflow Capacity: 41.1 CFM
* Is one of them less than honest about the performance of their product?
* Or could such disparity be authentic?
* Or am I simply observing the difference between a high static pressure fan and a simple high airflow fan? (Differences that some vendors may not want to heavily emphasize to limit their marketability.)
Simple Sones To dB Calculator (With 0.3, 1.5, 3.0 Sone Examples)
Loudness is measured in decibels, right? Most of us are familiar with decibels (dB) when describing how loud something is. That’s why we might be surprised when we see noise levels expressed in ‘Sones’. We have prepared a Sones to dB calculator to help you out. To convert Sones to dB, we use the...
learnmetrics.com
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