Hardware Spec Index

Brontix FN-4457 XT 140mm PWM Case Fan

Case Fans · Brontix · SKU FN4457-XT · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index343 (Case Fans scale)
Category rank#14,965
Street price$19
Power3 W
Performance per dollar18.05
Released2019

Specifications

BrandBrontix
ModelBrontix FN-4457 XT
Size140 × 140 × 25 mm
Speed400–2,400 RPM (PWM)
Airflow115.2 CFM
Static pressure2.28 mmH₂O
Noise33 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4457 XT 140mm PWM Case Fan”, https://vextor7.com/item/2369697 (accessed 2026-10-19).