Hardware Spec Index

Brontix FN-9971 Ti 140mm PWM Case Fan

Case Fans · Brontix · SKU FN9971-TI · Released 2023 · Updated 2026-10-19

Key facts

Benchmark index455 (Case Fans scale)
Category rank#47,036
Street price$19
Power4 W
Performance per dollar23.95
Released2023

Specifications

BrandBrontix
ModelBrontix FN-9971 Ti
Size140 × 140 × 25 mm
Speed500–2,500 RPM (PWM)
Airflow120.0 CFM
Static pressure2.38 mmH₂O
Noise25 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-9971 Ti 140mm PWM Case Fan”, https://vextor7.com/item/89179915 (accessed 2026-10-19).