Hardware Spec Index

Brontix FN-1131 Ultra 120mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN1131-ULTRA · Released 2020 · Updated 2026-10-25

Key facts

Benchmark index661 (Case Fans scale)
Category rank#573
Street price$19
Power3 W
Performance per dollar34.79
Released2020

Specifications

BrandBrontix
ModelBrontix FN-1131 Ultra
Size120 × 120 × 25 mm
Speed300–1,600 RPM (PWM)
Airflow54.4 CFM
Static pressure1.76 mmH₂O
Noise31 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-1131 Ultra 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/21872583 (accessed 2026-10-25).