Hardware Spec Index

Brontix FN-4047 Plus 140mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN4047-PLUS · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index543 (Case Fans scale)
Category rank#40,768
Street price$19
Power3 W
Performance per dollar28.58
Released2021

Specifications

BrandBrontix
ModelBrontix FN-4047 Plus
Size140 × 140 × 25 mm
Speed300–1,900 RPM (PWM)
Airflow91.2 CFM
Static pressure1.80 mmH₂O
Noise35 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4047 Plus 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/79487365 (accessed 2026-10-22).