Hardware Spec Index

Brontix FN-3909 Max 120mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN3909-MAX · Released 2024 · Updated 2026-10-25

Key facts

Benchmark index325 (Case Fans scale)
Category rank#31,413
Street price$9
Power4 W
Performance per dollar36.11
Released2024

Specifications

BrandBrontix
ModelBrontix FN-3909 Max
Size120 × 120 × 25 mm
Speed200–2,700 RPM (PWM)
Airflow91.8 CFM
Static pressure2.97 mmH₂O
Noise29 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3909 Max 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/76527794 (accessed 2026-10-25).