Hardware Spec Index

Brontix FN-3231 Ultra 140mm PWM Case Fan

Case Fans · Brontix · SKU FN3231-ULTRA · Released 2020 · Updated 2026-10-22

Key facts

Benchmark index558 (Case Fans scale)
Category rank#140
Street price$19
Power3 W
Performance per dollar29.37
Released2020

Specifications

BrandBrontix
ModelBrontix FN-3231 Ultra
Size140 × 140 × 25 mm
Speed200–2,400 RPM (PWM)
Airflow115.2 CFM
Static pressure2.28 mmH₂O
Noise22 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3231 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/21491198 (accessed 2026-10-22).