Hardware Spec Index

Brontix FN-3939 XT 120mm PWM ARGB Case Fan (3-Pack)

Case Fans · Brontix · SKU FN3939-XT · Released 2023 · Updated 2026-10-20

Key facts

Benchmark index845 (Case Fans scale)
Category rank#4,474
Street price$29
Power2 W
Performance per dollar29.14
Released2023

Specifications

BrandBrontix
ModelBrontix FN-3939 XT
Size120 × 120 × 25 mm
Speed200–1,400 RPM (PWM)
Airflow47.6 CFM
Static pressure1.54 mmH₂O
Noise35 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 XT 120mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/1980475 (accessed 2026-10-20).