Hardware Spec Index

Brontix FN-1857 XT 140mm PWM Case Fan

Case Fans · Brontix · SKU FN1857-XT · Released 2020 · Updated 2026-10-22

Key facts

Benchmark index698 (Case Fans scale)
Category rank#20,298
Street price$19
Power4 W
Performance per dollar36.74
Released2020

Specifications

BrandBrontix
ModelBrontix FN-1857 XT
Size140 × 140 × 25 mm
Speed400–2,800 RPM (PWM)
Airflow134.4 CFM
Static pressure2.66 mmH₂O
Noise26 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-1857 XT 140mm PWM Case Fan”, https://vextor7.com/item/1027089 (accessed 2026-10-22).