Hardware Spec Index

Brontix FN-5657 Ti 140mm PWM Case Fan

Case Fans · Brontix · SKU FN5657-TI · Released 2023 · Updated 2026-10-21

Key facts

Benchmark index775 (Case Fans scale)
Category rank#33,193
Street price$29
Power4 W
Performance per dollar26.72
Released2023

Specifications

BrandBrontix
ModelBrontix FN-5657 Ti
Size140 × 140 × 25 mm
Speed400–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise33 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-5657 Ti 140mm PWM Case Fan”, https://vextor7.com/item/4076140 (accessed 2026-10-21).