Hardware Spec Index

Brontix FN-3931 Core 120mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN3931-CORE · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index835 (Case Fans scale)
Category rank#19,551
Street price$29
Power3 W
Performance per dollar28.79
Released2020

Specifications

BrandBrontix
ModelBrontix FN-3931 Core
Size120 × 120 × 25 mm
Speed200–1,600 RPM (PWM)
Airflow54.4 CFM
Static pressure1.76 mmH₂O
Noise35 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3931 Core 120mm PWM ARGB Case Fan”, https://vextor7.com/item/90125468 (accessed 2026-10-19).