Index 3: Airflow to Noise
The title of this page is a simplification - what we actually measured was airflow (in cubic feet per minuter, cfm) and sound pressure (in dBA).
This is the most useful way to gauge how efficient a fan is at moving air, but you might also want to consider
how loud that fan is and
how much air the fan can push in the first place.
Please read
how we tested to see how we generated these results, what they mean.
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Delta FFB1212EHE
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Scythe Ultra Kaze DFS123812L-2000
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Scythe S-Flex SFF21G
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Feser Triebwerk TK-122
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Papst 4412F/2M
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Sunon KDE1212PMS3-6A
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Sharkoon Silent Eagle 2000 120mm
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Scythe Gentle Typhoon D1225C12B4AP-14
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Akasa AK-174CB-4BLB
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Papst 4412F/2GL
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Asus FAN 1225S1
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Akasa AK-274CR-4RDS
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Be Quiet Silent Wings 120mm
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Sharkoon Silent Eagle 1000 120mm
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Gelid Wing 12 FN-FW12-15-B (min speed)
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Recom Yellow Blade RC-12025BY
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Xilence Red Wing 120mm
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Revoltec RL039
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Noctua NF-P12 (min speed)
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Feser Triebwerk TK-121
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AeroCool V12XT Blue Line EN55253
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Noctua NF-S12B FLX (min speed)
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Sharkoon Silent Eagle LED 120mm
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Recom RC-12025W (Quad LED)
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Recom RC-12025M-BL-LED
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Noctua NF-P12 (med speed)
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Nexus Real Silent D12SL-12BL
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Noctua NF-S12B FLX (max speed)
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Noctua NF-S12B ULN (max speed)
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Noctua NF-S12B ULN (min speed)
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Noctua NF-P12 (max speed)
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Akasa AK-FN055
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Gelid Wing 12 FN-FW12-15-B (max speed)
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Akasa AK-191SM
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Noctua NF-S12B FLX (med speed)
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3.0
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2.5
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2.4
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2.2
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2.2
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2.1
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2.1
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2.1
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2.0
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1.9
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1.7
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1.7
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1.7
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1.7
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1.4
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1.4
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1.3
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1.0
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1.0
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1.0
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1.0
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0.8
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0.8
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0.8
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0.8
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0.7
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0.5
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0.3
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0.3
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0.3
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0.3
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0.2
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0.2
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0.2
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0.2
cfm to dBA (higher is better)
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