Hardware Spec Index

Brontix FN-4031 Ultra 120mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN4031-ULTRA · Released 2021 · Updated 2026-10-24

Key facts

Benchmark index1,007 (Case Fans scale)
Category rank#17,057
Street price$29
Power3 W
Performance per dollar34.72
Released2021

Specifications

BrandBrontix
ModelBrontix FN-4031 Ultra
Size120 × 120 × 25 mm
Speed200–2,100 RPM (PWM)
Airflow71.4 CFM
Static pressure2.31 mmH₂O
Noise27 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4031 Ultra 120mm PWM ARGB Case Fan”, https://vextor7.com/item/7180546 (accessed 2026-10-24).