Hardware Spec Index

Brontix FN-3999 SE 120mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN3999-SE · Released 2024 · Updated 2026-10-22

Key facts

Benchmark index777 (Case Fans scale)
Category rank#19,984
Street price$19
Power4 W
Performance per dollar40.89
Released2024

Specifications

BrandBrontix
ModelBrontix FN-3999 SE
Size120 × 120 × 25 mm
Speed200–2,500 RPM (PWM)
Airflow85.0 CFM
Static pressure2.75 mmH₂O
Noise23 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3999 SE 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/781376 (accessed 2026-10-22).