Hardware Spec Index

Brontix FN-3431 Pro 140mm PWM Case Fan

Case Fans · Brontix · SKU FN3431-PRO · Released 2024 · Updated 2026-10-19

Key facts

Benchmark index592 (Case Fans scale)
Category rank#46,309
Street price$19
Power4 W
Performance per dollar31.16
Released2024

Specifications

BrandBrontix
ModelBrontix FN-3431 Pro
Size140 × 140 × 25 mm
Speed500–3,000 RPM (PWM)
Airflow144.0 CFM
Static pressure2.85 mmH₂O
Noise30 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3431 Pro 140mm PWM Case Fan”, https://vextor7.com/item/230330 (accessed 2026-10-19).