Hardware Spec Index

Brontix FN-3972 SE 140mm PWM Case Fan

Case Fans · Brontix · SKU FN3972-SE · Released 2024 · Updated 2026-10-20

Key facts

Benchmark index396 (Case Fans scale)
Category rank#31,619
Street price$19
Power3 W
Performance per dollar20.84
Released2024

Specifications

BrandBrontix
ModelBrontix FN-3972 SE
Size140 × 140 × 25 mm
Speed200–1,600 RPM (PWM)
Airflow76.8 CFM
Static pressure1.52 mmH₂O
Noise23 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3972 SE 140mm PWM Case Fan”, https://vextor7.com/item/8314928 (accessed 2026-10-20).