Hardware Spec Index

Brontix FN-4165 Pro 140mm PWM Case Fan

Case Fans · Brontix · SKU FN4165-PRO · Released 2019 · Updated 2026-10-22

Key facts

Benchmark index259 (Case Fans scale)
Category rank#38,572
Street price$9
Power4 W
Performance per dollar28.78
Released2019

Specifications

BrandBrontix
ModelBrontix FN-4165 Pro
Size140 × 140 × 25 mm
Speed500–2,500 RPM (PWM)
Airflow120.0 CFM
Static pressure2.38 mmH₂O
Noise31 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4165 Pro 140mm PWM Case Fan”, https://vextor7.com/item/7579562 (accessed 2026-10-22).