Hardware Spec Index

Brontix FN-3509 Ti 140mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN3509-TI · Released 2025 · Updated 2026-10-21

Key facts

Benchmark index369 (Case Fans scale)
Category rank#48,683
Street price$19
Power3 W
Performance per dollar19.42
Released2025

Specifications

BrandBrontix
ModelBrontix FN-3509 Ti
Size140 × 140 × 25 mm
Speed500–2,300 RPM (PWM)
Airflow110.4 CFM
Static pressure2.19 mmH₂O
Noise30 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3509 Ti 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/2831356 (accessed 2026-10-21).