Hardware Spec Index

Brontix FN-4057 XT 120mm PWM Case Fan

Case Fans · Brontix · SKU FN4057-XT · Released 2023 · Updated 2026-10-26

Key facts

Benchmark index393 (Case Fans scale)
Category rank#34,562
Street price$9
Power3 W
Performance per dollar43.67
Released2023

Specifications

BrandBrontix
ModelBrontix FN-4057 XT
Size120 × 120 × 25 mm
Speed200–1,700 RPM (PWM)
Airflow57.8 CFM
Static pressure1.87 mmH₂O
Noise30 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4057 XT 120mm PWM Case Fan”, https://vextor7.com/item/917255 (accessed 2026-10-26).