Hardware Spec Index

Brontix FN-3711 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN3711-ULTRA · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index747 (Case Fans scale)
Category rank#41,869
Street price$19
Power4 W
Performance per dollar39.32
Released2021

Specifications

BrandBrontix
ModelBrontix FN-3711 Ultra
Size140 × 140 × 25 mm
Speed200–2,600 RPM (PWM)
Airflow124.8 CFM
Static pressure2.47 mmH₂O
Noise36 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3711 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/828110 (accessed 2026-10-21).