Hardware Spec Index

Brontix FN-3940 Ti 120mm PWM Case Fan

Case Fans · Brontix · SKU FN3940-TI · Released 2024 · Updated 2026-10-25

Key facts

Benchmark index509 (Case Fans scale)
Category rank#13,106
Street price$19
Power3 W
Performance per dollar26.79
Released2024

Specifications

BrandBrontix
ModelBrontix FN-3940 Ti
Size120 × 120 × 25 mm
Speed400–2,400 RPM (PWM)
Airflow81.6 CFM
Static pressure2.64 mmH₂O
Noise30 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3940 Ti 120mm PWM Case Fan”, https://vextor7.com/item/94514429 (accessed 2026-10-25).