Hardware Spec Index

Brontix FN-1657 XT 140mm PWM Case Fan

Case Fans · Brontix · SKU FN1657-XT · Released 2019 · Updated 2026-10-21

Key facts

Benchmark index497 (Case Fans scale)
Category rank#28,986
Street price$19
Power3 W
Performance per dollar26.16
Released2019

Specifications

BrandBrontix
ModelBrontix FN-1657 XT
Size140 × 140 × 25 mm
Speed400–2,200 RPM (PWM)
Airflow105.6 CFM
Static pressure2.09 mmH₂O
Noise22 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-1657 XT 140mm PWM Case Fan”, https://vextor7.com/item/46989368 (accessed 2026-10-21).