Hardware Spec Index

Brontix FN-3131 Ultra 120mm PWM Case Fan

Case Fans · Brontix · SKU FN3131-ULTRA · Released 2024 · Updated 2026-10-20

Key facts

Benchmark index767 (Case Fans scale)
Category rank#48,111
Street price$19
Power3 W
Performance per dollar40.37
Released2024

Specifications

BrandBrontix
ModelBrontix FN-3131 Ultra
Size120 × 120 × 25 mm
Speed300–2,200 RPM (PWM)
Airflow74.8 CFM
Static pressure2.42 mmH₂O
Noise36 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3131 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/17477239 (accessed 2026-10-20).