Hardware Spec Index

Brontix FN-3491 SE 120mm PWM Case Fan

Case Fans · Brontix · SKU FN3491-SE · Released 2022 · Updated 2026-10-19

Key facts

Benchmark index225 (Case Fans scale)
Category rank#29,490
Street price$9
Power3 W
Performance per dollar25.00
Released2022

Specifications

BrandBrontix
ModelBrontix FN-3491 SE
Size120 × 120 × 25 mm
Speed500–2,100 RPM (PWM)
Airflow71.4 CFM
Static pressure2.31 mmH₂O
Noise36 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3491 SE 120mm PWM Case Fan”, https://vextor7.com/item/1371995 (accessed 2026-10-19).