Hardware Spec Index

Brontix FN-9578 Pro 140mm PWM Case Fan

Case Fans · Brontix · SKU FN9578-PRO · Released 2022 · Updated 2026-10-20

Key facts

Benchmark index524 (Case Fans scale)
Category rank#13,763
Street price$19
Power3 W
Performance per dollar27.58
Released2022

Specifications

BrandBrontix
ModelBrontix FN-9578 Pro
Size140 × 140 × 25 mm
Speed300–1,500 RPM (PWM)
Airflow72.0 CFM
Static pressure1.43 mmH₂O
Noise22 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-9578 Pro 140mm PWM Case Fan”, https://vextor7.com/item/691100 (accessed 2026-10-20).