Hardware Spec Index

Brontix FN-4686 Pro 140mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN4686-PRO · Released 2020 · Updated 2026-10-26

Key facts

Benchmark index518 (Case Fans scale)
Category rank#16,600
Street price$19
Power4 W
Performance per dollar27.26
Released2020

Specifications

BrandBrontix
ModelBrontix FN-4686 Pro
Size140 × 140 × 25 mm
Speed300–2,800 RPM (PWM)
Airflow134.4 CFM
Static pressure2.66 mmH₂O
Noise27 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4686 Pro 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/21925425 (accessed 2026-10-26).