Hardware Spec Index

Brontix FN-3131 Ultra 120mm PWM Case Fan

Case Fans · Brontix · SKU FN3131-ULTRA · Released 2020 · Updated 2026-10-24

Key facts

Benchmark index482 (Case Fans scale)
Category rank#28,329
Street price$19
Power4 W
Performance per dollar25.37
Released2020

Specifications

BrandBrontix
ModelBrontix FN-3131 Ultra
Size120 × 120 × 25 mm
Speed500–2,500 RPM (PWM)
Airflow85.0 CFM
Static pressure2.75 mmH₂O
Noise25 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3131 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/8902251 (accessed 2026-10-24).