Hardware Spec Index

Brontix FN-5491 Ultra 120mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN5491-ULTRA · Released 2022 · Updated 2026-10-24

Key facts

Benchmark index277 (Case Fans scale)
Category rank#2,250
Street price$9
Power3 W
Performance per dollar30.78
Released2022

Specifications

BrandBrontix
ModelBrontix FN-5491 Ultra
Size120 × 120 × 25 mm
Speed500–1,900 RPM (PWM)
Airflow64.6 CFM
Static pressure2.09 mmH₂O
Noise26 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-5491 Ultra 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/3628926 (accessed 2026-10-24).