Hardware Spec Index

Brontix FN-4031 Ultra 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN4031-ULTRA · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index1,154 (Case Fans scale)
Category rank#24,511
Street price$39
Power3 W
Performance per dollar29.59
Released2021

Specifications

BrandBrontix
ModelBrontix FN-4031 Ultra
Size140 × 140 × 25 mm
Speed400–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise31 dBA
BearingMagnetic levitation
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 140mm PWM ARGB Case Fan”, https://vextor7.com/item/60001690 (accessed 2026-10-20).