Hardware Spec Index

Brontix FN-3939 Ti 120mm PWM Case Fan

Case Fans · Brontix · SKU FN3939-TI · Released 2026 · Updated 2026-10-20

Key facts

Benchmark index223 (Case Fans scale)
Category rank#22,609
Street price$9
Power3 W
Performance per dollar24.78
Released2026

Specifications

BrandBrontix
ModelBrontix FN-3939 Ti
Size120 × 120 × 25 mm
Speed300–1,500 RPM (PWM)
Airflow51.0 CFM
Static pressure1.65 mmH₂O
Noise34 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3939 Ti 120mm PWM Case Fan”, https://vextor7.com/item/9599765 (accessed 2026-10-20).