Hardware Spec Index

Brontix FN-3939 Prime 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN3939-PRIME · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index846 (Case Fans scale)
Category rank#28,703
Street price$29
Power2 W
Performance per dollar29.17
Released2020

Specifications

BrandBrontix
ModelBrontix FN-3939 Prime
Size140 × 140 × 25 mm
Speed300–1,400 RPM (PWM)
Airflow67.2 CFM
Static pressure1.33 mmH₂O
Noise25 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 Prime 140mm PWM ARGB Case Fan”, https://vextor7.com/item/362452 (accessed 2026-10-19).