Hardware Spec Index

Brontix FN-3181 Ultra 140mm PWM Case Fan

Case Fans · Brontix · SKU FN3181-ULTRA · Released 2023 · Updated 2026-10-24

Key facts

Benchmark index676 (Case Fans scale)
Category rank#46,581
Street price$19
Power3 W
Performance per dollar35.58
Released2023

Specifications

BrandBrontix
ModelBrontix FN-3181 Ultra
Size140 × 140 × 25 mm
Speed500–2,000 RPM (PWM)
Airflow96.0 CFM
Static pressure1.90 mmH₂O
Noise30 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3181 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/19729482 (accessed 2026-10-24).