Hardware Spec Index

Brontix FN-3908 Pro 140mm PWM Case Fan

Case Fans · Brontix · SKU FN3908-PRO · Released 2022 · Updated 2026-10-22

Key facts

Benchmark index339 (Case Fans scale)
Category rank#21,866
Street price$9
Power3 W
Performance per dollar37.67
Released2022

Specifications

BrandBrontix
ModelBrontix FN-3908 Pro
Size140 × 140 × 25 mm
Speed500–1,900 RPM (PWM)
Airflow91.2 CFM
Static pressure1.80 mmH₂O
Noise26 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3908 Pro 140mm PWM Case Fan”, https://vextor7.com/item/7664476 (accessed 2026-10-22).