Hardware Spec Index

Brontix FN-3971 SE 120mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN3971-SE · Released 2025 · Updated 2026-10-20

Key facts

Benchmark index600 (Case Fans scale)
Category rank#39,535
Street price$19
Power3 W
Performance per dollar31.58
Released2025

Specifications

BrandBrontix
ModelBrontix FN-3971 SE
Size120 × 120 × 25 mm
Speed200–1,600 RPM (PWM)
Airflow54.4 CFM
Static pressure1.76 mmH₂O
Noise25 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3971 SE 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/5508741 (accessed 2026-10-20).