Hardware Spec Index

Brontix FN-9581 Prime 120mm PWM Case Fan

Case Fans · Brontix · SKU FN9581-PRIME · Released 2026 · Updated 2026-10-19

Key facts

Benchmark index331 (Case Fans scale)
Category rank#35,478
Street price$9
Power4 W
Performance per dollar36.78
Released2026

Specifications

BrandBrontix
ModelBrontix FN-9581 Prime
Size120 × 120 × 25 mm
Speed400–2,900 RPM (PWM)
Airflow98.6 CFM
Static pressure3.19 mmH₂O
Noise27 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-9581 Prime 120mm PWM Case Fan”, https://vextor7.com/item/8856099 (accessed 2026-10-19).