Hardware Spec Index

Brontix FN-3691 Plus 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN3691-PLUS · Released 2024 · Updated 2026-10-23

Key facts

Benchmark index1,254 (Case Fans scale)
Category rank#18,394
Street price$39
Power3 W
Performance per dollar32.15
Released2024

Specifications

BrandBrontix
ModelBrontix FN-3691 Plus
Size140 × 140 × 25 mm
Speed500–2,300 RPM (PWM)
Airflow110.4 CFM
Static pressure2.19 mmH₂O
Noise22 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3691 Plus 140mm PWM ARGB Case Fan”, https://vextor7.com/item/7783470 (accessed 2026-10-23).