Hardware Spec Index

Brontix FN-9477 Ultra 120mm PWM Case Fan

Case Fans · Brontix · SKU FN9477-ULTRA · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index844 (Case Fans scale)
Category rank#4,597
Street price$19
Power4 W
Performance per dollar44.42
Released2021

Specifications

BrandBrontix
ModelBrontix FN-9477 Ultra
Size120 × 120 × 25 mm
Speed400–2,600 RPM (PWM)
Airflow88.4 CFM
Static pressure2.86 mmH₂O
Noise26 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-9477 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/8904162 (accessed 2026-10-22).