Hardware Spec Index

Brontix FN-4557 Ultra 140mm PWM Case Fan

Case Fans · Brontix · SKU FN4557-ULTRA · Released 2022 · Updated 2026-10-22

Key facts

Benchmark index577 (Case Fans scale)
Category rank#11,521
Street price$19
Power4 W
Performance per dollar30.37
Released2022

Specifications

BrandBrontix
ModelBrontix FN-4557 Ultra
Size140 × 140 × 25 mm
Speed200–2,700 RPM (PWM)
Airflow129.6 CFM
Static pressure2.56 mmH₂O
Noise30 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4557 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/97837112 (accessed 2026-10-22).