Hardware Spec Index

Brontix FN-4558 Pro 120mm PWM Case Fan

Case Fans · Brontix · SKU FN4558-PRO · Released 2019 · Updated 2026-10-22

Key facts

Benchmark index258 (Case Fans scale)
Category rank#19,929
Street price$9
Power4 W
Performance per dollar28.67
Released2019

Specifications

BrandBrontix
ModelBrontix FN-4558 Pro
Size120 × 120 × 25 mm
Speed200–2,900 RPM (PWM)
Airflow98.6 CFM
Static pressure3.19 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-4558 Pro 120mm PWM Case Fan”, https://vextor7.com/item/3116705 (accessed 2026-10-22).