Hardware Spec Index

Brontix FN-3990 Core 120mm PWM Case Fan

Case Fans · Brontix · SKU FN3990-CORE · Released 2019 · Updated 2026-10-21

Key facts

Benchmark index573 (Case Fans scale)
Category rank#31,455
Street price$19
Power3 W
Performance per dollar30.16
Released2019

Specifications

BrandBrontix
ModelBrontix FN-3990 Core
Size120 × 120 × 25 mm
Speed200–2,000 RPM (PWM)
Airflow68.0 CFM
Static pressure2.20 mmH₂O
Noise29 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3990 Core 120mm PWM Case Fan”, https://vextor7.com/item/6853336 (accessed 2026-10-21).