Hardware Spec Index

Brontix FN-3909 Max 140mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN3909-MAX · Released 2026 · Updated 2026-10-24

Key facts

Benchmark index227 (Case Fans scale)
Category rank#11,227
Street price$9
Power3 W
Performance per dollar25.22
Released2026

Specifications

BrandBrontix
ModelBrontix FN-3909 Max
Size140 × 140 × 25 mm
Speed400–2,300 RPM (PWM)
Airflow110.4 CFM
Static pressure2.19 mmH₂O
Noise25 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3909 Max 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/3776569 (accessed 2026-10-24).