Hardware Spec Index

Brontix FN-9947 Core 140mm PWM Case Fan

Case Fans · Brontix · SKU FN9947-CORE · Released 2019 · Updated 2026-10-26

Key facts

Benchmark index468 (Case Fans scale)
Category rank#11,627
Street price$19
Power3 W
Performance per dollar24.63
Released2019

Specifications

BrandBrontix
ModelBrontix FN-9947 Core
Size140 × 140 × 25 mm
Speed200–2,200 RPM (PWM)
Airflow105.6 CFM
Static pressure2.09 mmH₂O
Noise24 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-9947 Core 140mm PWM Case Fan”, https://vextor7.com/item/2415176 (accessed 2026-10-26).