Hardware Spec Index

Brontix FN-3947 Plus 120mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN3947-PLUS · Released 2025 · Updated 2026-10-24

Key facts

Benchmark index893 (Case Fans scale)
Category rank#21,956
Street price$29
Power3 W
Performance per dollar30.79
Released2025

Specifications

BrandBrontix
ModelBrontix FN-3947 Plus
Size120 × 120 × 25 mm
Speed400–2,000 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-3947 Plus 120mm PWM ARGB Case Fan”, https://vextor7.com/item/4228328 (accessed 2026-10-24).