Hardware Spec Index

Brontix FN-4390 SE 140mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN4390-SE · Released 2020 · Updated 2026-10-21

Key facts

Benchmark index644 (Case Fans scale)
Category rank#15,956
Street price$19
Power3 W
Performance per dollar33.89
Released2020

Specifications

BrandBrontix
ModelBrontix FN-4390 SE
Size140 × 140 × 25 mm
Speed500–2,400 RPM (PWM)
Airflow115.2 CFM
Static pressure2.28 mmH₂O
Noise33 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4390 SE 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/1607618 (accessed 2026-10-21).