Hardware Spec Index

Brontix FN-9740 Ti 140mm PWM Case Fan

Case Fans · Brontix · SKU FN9740-TI · Released 2025 · Updated 2026-10-22

Key facts

Benchmark index423 (Case Fans scale)
Category rank#36,958
Street price$19
Power4 W
Performance per dollar22.26
Released2025

Specifications

BrandBrontix
ModelBrontix FN-9740 Ti
Size140 × 140 × 25 mm
Speed400–2,800 RPM (PWM)
Airflow134.4 CFM
Static pressure2.66 mmH₂O
Noise31 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-9740 Ti 140mm PWM Case Fan”, https://vextor7.com/item/6756342 (accessed 2026-10-22).