Hardware Spec Index

Brontix FN-4309 Core 140mm PWM Case Fan

Case Fans · Brontix · SKU FN4309-CORE · Released 2019 · Updated 2026-10-24

Key facts

Benchmark index473 (Case Fans scale)
Category rank#39,838
Street price$19
Power4 W
Performance per dollar24.89
Released2019

Specifications

BrandBrontix
ModelBrontix FN-4309 Core
Size140 × 140 × 25 mm
Speed400–3,000 RPM (PWM)
Airflow144.0 CFM
Static pressure2.85 mmH₂O
Noise23 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4309 Core 140mm PWM Case Fan”, https://vextor7.com/item/3884850 (accessed 2026-10-24).