Hardware Spec Index

Brontix FN-4457 XT 140mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN4457-XT · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index585 (Case Fans scale)
Category rank#29,103
Street price$19
Power4 W
Performance per dollar30.79
Released2021

Specifications

BrandBrontix
ModelBrontix FN-4457 XT
Size140 × 140 × 25 mm
Speed400–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise26 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4457 XT 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/4378897 (accessed 2026-10-22).