Hardware Spec Index

Brontix FN-4057 Pro 120mm PWM Case Fan

Case Fans · Brontix · SKU FN4057-PRO · Released 2024 · Updated 2026-10-22

Key facts

Benchmark index579 (Case Fans scale)
Category rank#19,820
Street price$19
Power4 W
Performance per dollar30.47
Released2024

Specifications

BrandBrontix
ModelBrontix FN-4057 Pro
Size120 × 120 × 25 mm
Speed500–2,600 RPM (PWM)
Airflow88.4 CFM
Static pressure2.86 mmH₂O
Noise32 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4057 Pro 120mm PWM Case Fan”, https://vextor7.com/item/8536154 (accessed 2026-10-22).