Hardware Spec Index

Brontix FN-6939 Prime 120mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN6939-PRIME · Released 2020 · Updated 2026-10-22

Key facts

Benchmark index272 (Case Fans scale)
Category rank#13,063
Street price$9
Power3 W
Performance per dollar30.22
Released2020

Specifications

BrandBrontix
ModelBrontix FN-6939 Prime
Size120 × 120 × 25 mm
Speed200–1,600 RPM (PWM)
Airflow54.4 CFM
Static pressure1.76 mmH₂O
Noise33 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-6939 Prime 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/4177501 (accessed 2026-10-22).