Hardware Spec Index

Brontix FN-5091 SE 140mm PWM Case Fan

Case Fans · Brontix · SKU FN5091-SE · Released 2020 · Updated 2026-10-22

Key facts

Benchmark index238 (Case Fans scale)
Category rank#11,470
Street price$9
Power4 W
Performance per dollar26.44
Released2020

Specifications

BrandBrontix
ModelBrontix FN-5091 SE
Size140 × 140 × 25 mm
Speed300–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise25 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-5091 SE 140mm PWM Case Fan”, https://vextor7.com/item/6574205 (accessed 2026-10-22).