Hardware Spec Index

Brontix FN-3789 Plus 140mm PWM Case Fan

Case Fans · Brontix · SKU FN3789-PLUS · Released 2025 · Updated 2026-10-21

Key facts

Benchmark index671 (Case Fans scale)
Category rank#10,091
Street price$19
Power3 W
Performance per dollar35.32
Released2025

Specifications

BrandBrontix
ModelBrontix FN-3789 Plus
Size140 × 140 × 25 mm
Speed300–2,400 RPM (PWM)
Airflow115.2 CFM
Static pressure2.28 mmH₂O
Noise26 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3789 Plus 140mm PWM Case Fan”, https://vextor7.com/item/6470171 (accessed 2026-10-21).