Hardware Spec Index

Brontix FN-3920 Core 120mm PWM Case Fan

Case Fans · Brontix · SKU FN3920-CORE · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index336 (Case Fans scale)
Category rank#17,601
Street price$9
Power4 W
Performance per dollar37.33
Released2021

Specifications

BrandBrontix
ModelBrontix FN-3920 Core
Size120 × 120 × 25 mm
Speed400–2,900 RPM (PWM)
Airflow98.6 CFM
Static pressure3.19 mmH₂O
Noise22 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3920 Core 120mm PWM Case Fan”, https://vextor7.com/item/63319204 (accessed 2026-10-22).