Hardware Spec Index

Brontix FN-3906 Prime 140mm PWM Case Fan

Case Fans · Brontix · SKU FN3906-PRIME · Released 2025 · Updated 2026-10-27

Key facts

Benchmark index494 (Case Fans scale)
Category rank#43,014
Street price$19
Power3 W
Performance per dollar26.00
Released2025

Specifications

BrandBrontix
ModelBrontix FN-3906 Prime
Size140 × 140 × 25 mm
Speed500–1,700 RPM (PWM)
Airflow81.6 CFM
Static pressure1.61 mmH₂O
Noise32 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3906 Prime 140mm PWM Case Fan”, https://vextor7.com/item/24371751 (accessed 2026-10-27).