Hardware Spec Index

Brontix FN-6939 Prime 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN6939-PRIME · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index893 (Case Fans scale)
Category rank#39,700
Street price$29
Power4 W
Performance per dollar30.79
Released2021

Specifications

BrandBrontix
ModelBrontix FN-6939 Prime
Size140 × 140 × 25 mm
Speed200–2,800 RPM (PWM)
Airflow134.4 CFM
Static pressure2.66 mmH₂O
Noise33 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-6939 Prime 140mm PWM ARGB Case Fan”, https://vextor7.com/item/6930801 (accessed 2026-10-20).