Hardware Spec Index

Brontix FN-4091 SE 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN4091-SE · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index1,121 (Case Fans scale)
Category rank#29,944
Street price$39
Power3 W
Performance per dollar28.74
Released2021

Specifications

BrandBrontix
ModelBrontix FN-4091 SE
Size140 × 140 × 25 mm
Speed300–2,300 RPM (PWM)
Airflow110.4 CFM
Static pressure2.19 mmH₂O
Noise32 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4091 SE 140mm PWM ARGB Case Fan”, https://vextor7.com/item/3864482 (accessed 2026-10-20).