Hardware Spec Index

Brontix FN-3691 SE 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN3691-SE · Released 2022 · Updated 2026-10-24

Key facts

Benchmark index960 (Case Fans scale)
Category rank#16,751
Street price$29
Power4 W
Performance per dollar33.10
Released2022

Specifications

BrandBrontix
ModelBrontix FN-3691 SE
Size140 × 140 × 25 mm
Speed500–2,800 RPM (PWM)
Airflow134.4 CFM
Static pressure2.66 mmH₂O
Noise31 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3691 SE 140mm PWM ARGB Case Fan”, https://vextor7.com/item/6129882 (accessed 2026-10-24).