Hardware Spec Index

Brontix FN-9578 Prime 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Brontix · SKU FN9578-PRIME · Released 2022 · Updated 2026-10-22

Key facts

Benchmark index1,376 (Case Fans scale)
Category rank#49,529
Street price$49
Power4 W
Performance per dollar28.08
Released2022

Specifications

BrandBrontix
ModelBrontix FN-9578 Prime
Size140 × 140 × 25 mm
Speed400–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise36 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-9578 Prime 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/6480446 (accessed 2026-10-22).