Hardware Spec Index

Brontix FN-3687 Pro 140mm PWM Case Fan

Case Fans · Brontix · SKU FN3687-PRO · Released 2022 · Updated 2026-10-21

Key facts

Benchmark index618 (Case Fans scale)
Category rank#37,533
Street price$19
Power4 W
Performance per dollar32.53
Released2022

Specifications

BrandBrontix
ModelBrontix FN-3687 Pro
Size140 × 140 × 25 mm
Speed300–2,600 RPM (PWM)
Airflow124.8 CFM
Static pressure2.47 mmH₂O
Noise25 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3687 Pro 140mm PWM Case Fan”, https://vextor7.com/item/20203225 (accessed 2026-10-21).