Hardware Spec Index

Brontix FN-4091 Prime 120mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN4091-PRIME · Released 2024 · Updated 2026-10-20

Key facts

Benchmark index690 (Case Fans scale)
Category rank#12,052
Street price$19
Power4 W
Performance per dollar36.32
Released2024

Specifications

BrandBrontix
ModelBrontix FN-4091 Prime
Size120 × 120 × 25 mm
Speed400–2,800 RPM (PWM)
Airflow95.2 CFM
Static pressure3.08 mmH₂O
Noise28 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4091 Prime 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/83679430 (accessed 2026-10-20).