Hardware Spec Index

Brontix FN-7939 Prime 140mm PWM Case Fan

Case Fans · Brontix · SKU FN7939-PRIME · Released 2024 · Updated 2026-10-25

Key facts

Benchmark index582 (Case Fans scale)
Category rank#11,723
Street price$19
Power3 W
Performance per dollar30.63
Released2024

Specifications

BrandBrontix
ModelBrontix FN-7939 Prime
Size140 × 140 × 25 mm
Speed200–1,500 RPM (PWM)
Airflow72.0 CFM
Static pressure1.43 mmH₂O
Noise30 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-7939 Prime 140mm PWM Case Fan”, https://vextor7.com/item/84558073 (accessed 2026-10-25).