Hardware Spec Index

Brontix FN-5409 Pro 140mm PWM Case Fan

Case Fans · Brontix · SKU FN5409-PRO · Released 2019 · Updated 2026-10-23

Key facts

Benchmark index596 (Case Fans scale)
Category rank#6,128
Street price$19
Power4 W
Performance per dollar31.37
Released2019

Specifications

BrandBrontix
ModelBrontix FN-5409 Pro
Size140 × 140 × 25 mm
Speed300–2,500 RPM (PWM)
Airflow120.0 CFM
Static pressure2.38 mmH₂O
Noise35 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-5409 Pro 140mm PWM Case Fan”, https://vextor7.com/item/10278947 (accessed 2026-10-23).