Hardware Spec Index

Brontix FN-5691 Pro 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN5691-PRO · Released 2022 · Updated 2026-10-22

Key facts

Benchmark index1,029 (Case Fans scale)
Category rank#19,953
Street price$29
Power3 W
Performance per dollar35.48
Released2022

Specifications

BrandBrontix
ModelBrontix FN-5691 Pro
Size140 × 140 × 25 mm
Speed400–2,400 RPM (PWM)
Airflow115.2 CFM
Static pressure2.28 mmH₂O
Noise36 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-5691 Pro 140mm PWM ARGB Case Fan”, https://vextor7.com/item/5385359 (accessed 2026-10-22).