Hardware Spec Index

Brontix FN-3980 Pro 120mm PWM Case Fan

Case Fans · Brontix · SKU FN3980-PRO · Released 2024 · Updated 2026-10-25

Key facts

Benchmark index300 (Case Fans scale)
Category rank#14,323
Street price$9
Power4 W
Performance per dollar33.33
Released2024

Specifications

BrandBrontix
ModelBrontix FN-3980 Pro
Size120 × 120 × 25 mm
Speed400–2,600 RPM (PWM)
Airflow88.4 CFM
Static pressure2.86 mmH₂O
Noise35 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3980 Pro 120mm PWM Case Fan”, https://vextor7.com/item/3025797 (accessed 2026-10-25).