Hardware Spec Index

Brontix FN-3967 Pro 140mm PWM Case Fan

Case Fans · Brontix · SKU FN3967-PRO · Released 2026 · Updated 2026-10-26

Key facts

Benchmark index239 (Case Fans scale)
Category rank#2,115
Street price$9
Power3 W
Performance per dollar26.56
Released2026

Specifications

BrandBrontix
ModelBrontix FN-3967 Pro
Size140 × 140 × 25 mm
Speed400–1,600 RPM (PWM)
Airflow76.8 CFM
Static pressure1.52 mmH₂O
Noise25 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3967 Pro 140mm PWM Case Fan”, https://vextor7.com/item/3286948 (accessed 2026-10-26).