Hardware Spec Index

Brontix FN-3865 SE 120mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN3865-SE · Released 2019 · Updated 2026-10-22

Key facts

Benchmark index377 (Case Fans scale)
Category rank#4,974
Street price$9
Power3 W
Performance per dollar41.89
Released2019

Specifications

BrandBrontix
ModelBrontix FN-3865 SE
Size120 × 120 × 25 mm
Speed400–1,500 RPM (PWM)
Airflow51.0 CFM
Static pressure1.65 mmH₂O
Noise36 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3865 SE 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/3947135 (accessed 2026-10-22).