Hardware Spec Index

Brontix FN-3969 Pro 140mm PWM Case Fan

Case Fans · Brontix · SKU FN3969-PRO · Released 2019 · Updated 2026-10-26

Key facts

Benchmark index232 (Case Fans scale)
Category rank#48,676
Street price$9
Power3 W
Performance per dollar25.78
Released2019

Specifications

BrandBrontix
ModelBrontix FN-3969 Pro
Size140 × 140 × 25 mm
Speed500–2,200 RPM (PWM)
Airflow105.6 CFM
Static pressure2.09 mmH₂O
Noise23 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3969 Pro 140mm PWM Case Fan”, https://vextor7.com/item/71753854 (accessed 2026-10-26).