Hardware Spec Index

Brontix FN-4209 Pro 120mm PWM Case Fan

Case Fans · Brontix · SKU FN4209-PRO · Released 2020 · Updated 2026-10-25

Key facts

Benchmark index291 (Case Fans scale)
Category rank#15,656
Street price$9
Power3 W
Performance per dollar32.33
Released2020

Specifications

BrandBrontix
ModelBrontix FN-4209 Pro
Size120 × 120 × 25 mm
Speed400–1,900 RPM (PWM)
Airflow64.6 CFM
Static pressure2.09 mmH₂O
Noise29 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4209 Pro 120mm PWM Case Fan”, https://vextor7.com/item/21788963 (accessed 2026-10-25).