Hardware Spec Index

Brontix FN-4574 Ultra 120mm PWM Case Fan

Case Fans · Brontix · SKU FN4574-ULTRA · Released 2020 · Updated 2026-10-22

Key facts

Benchmark index621 (Case Fans scale)
Category rank#4,023
Street price$19
Power4 W
Performance per dollar32.68
Released2020

Specifications

BrandBrontix
ModelBrontix FN-4574 Ultra
Size120 × 120 × 25 mm
Speed500–2,900 RPM (PWM)
Airflow98.6 CFM
Static pressure3.19 mmH₂O
Noise27 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4574 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/93481032 (accessed 2026-10-22).