Hardware Spec Index

Brontix FN-4155 Ultra 120mm PWM Case Fan

Case Fans · Brontix · SKU FN4155-ULTRA · Released 2022 · Updated 2026-10-20

Key facts

Benchmark index664 (Case Fans scale)
Category rank#7,956
Street price$19
Power4 W
Performance per dollar34.95
Released2022

Specifications

BrandBrontix
ModelBrontix FN-4155 Ultra
Size120 × 120 × 25 mm
Speed200–2,800 RPM (PWM)
Airflow95.2 CFM
Static pressure3.08 mmH₂O
Noise34 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4155 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/95022037 (accessed 2026-10-20).