Hardware Spec Index

Brontix FN-4431 Ultra 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN4431-ULTRA · Released 2024 · Updated 2026-10-25

Key facts

Benchmark index1,087 (Case Fans scale)
Category rank#38,996
Street price$39
Power3 W
Performance per dollar27.87
Released2024

Specifications

BrandBrontix
ModelBrontix FN-4431 Ultra
Size140 × 140 × 25 mm
Speed400–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise22 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4431 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/19644089 (accessed 2026-10-25).