Hardware Spec Index

Brontix FN-9477 Ultra 120mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN9477-ULTRA · Released 2019 · Updated 2026-10-20

Key facts

Benchmark index208 (Case Fans scale)
Category rank#14,464
Street price$9
Power3 W
Performance per dollar23.11
Released2019

Specifications

BrandBrontix
ModelBrontix FN-9477 Ultra
Size120 × 120 × 25 mm
Speed300–1,500 RPM (PWM)
Airflow51.0 CFM
Static pressure1.65 mmH₂O
Noise22 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 (3-Pack)”, https://vextor7.com/item/9052864 (accessed 2026-10-20).