Hardware Spec Index

Brontix FN-3691 Pro 120mm PWM ARGB Case Fan (3-Pack)

Case Fans · Brontix · SKU FN3691-PRO · Released 2024 · Updated 2026-10-21

Key facts

Benchmark index1,191 (Case Fans scale)
Category rank#19,316
Street price$39
Power3 W
Performance per dollar30.54
Released2024

Specifications

BrandBrontix
ModelBrontix FN-3691 Pro
Size120 × 120 × 25 mm
Speed200–2,400 RPM (PWM)
Airflow81.6 CFM
Static pressure2.64 mmH₂O
Noise22 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3691 Pro 120mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/2653345 (accessed 2026-10-21).