Hardware Spec Index

Brontix FN-3902 SE 140mm PWM Case Fan

Case Fans · Brontix · SKU FN3902-SE · Released 2019 · Updated 2026-10-20

Key facts

Benchmark index368 (Case Fans scale)
Category rank#28,430
Street price$9
Power4 W
Performance per dollar40.89
Released2019

Specifications

BrandBrontix
ModelBrontix FN-3902 SE
Size140 × 140 × 25 mm
Speed400–2,600 RPM (PWM)
Airflow124.8 CFM
Static pressure2.47 mmH₂O
Noise29 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3902 SE 140mm PWM Case Fan”, https://vextor7.com/item/8795802 (accessed 2026-10-20).