Hardware Spec Index

Brontix FN-4131 Ultra 120mm PWM Case Fan

Case Fans · Brontix · SKU FN4131-ULTRA · Released 2026 · Updated 2026-10-24

Key facts

Benchmark index313 (Case Fans scale)
Category rank#29,020
Street price$9
Power3 W
Performance per dollar34.78
Released2026

Specifications

BrandBrontix
ModelBrontix FN-4131 Ultra
Size120 × 120 × 25 mm
Speed200–2,000 RPM (PWM)
Airflow68.0 CFM
Static pressure2.20 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-4131 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/4613765 (accessed 2026-10-24).