Hardware Spec Index

Brontix FN-3957 Ultra 120mm PWM Case Fan

Case Fans · Brontix · SKU FN3957-ULTRA · Released 2025 · Updated 2026-10-19

Key facts

Benchmark index293 (Case Fans scale)
Category rank#30,902
Street price$9
Power3 W
Performance per dollar32.56
Released2025

Specifications

BrandBrontix
ModelBrontix FN-3957 Ultra
Size120 × 120 × 25 mm
Speed400–1,800 RPM (PWM)
Airflow61.2 CFM
Static pressure1.98 mmH₂O
Noise34 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3957 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/43313544 (accessed 2026-10-19).