Hardware Spec Index

Brontix FN-3939 SE 120mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN3939-SE · Released 2023 · Updated 2026-10-21

Key facts

Benchmark index835 (Case Fans scale)
Category rank#13,675
Street price$29
Power3 W
Performance per dollar28.79
Released2023

Specifications

BrandBrontix
ModelBrontix FN-3939 SE
Size120 × 120 × 25 mm
Speed500–2,000 RPM (PWM)
Airflow68.0 CFM
Static pressure2.20 mmH₂O
Noise34 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3939 SE 120mm PWM ARGB Case Fan”, https://vextor7.com/item/5872589 (accessed 2026-10-21).