Hardware Spec Index

Brontix FN-3684 Pro 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN3684-PRO · Released 2026 · Updated 2026-10-26

Key facts

Benchmark index859 (Case Fans scale)
Category rank#18,685
Street price$29
Power3 W
Performance per dollar29.62
Released2026

Specifications

BrandBrontix
ModelBrontix FN-3684 Pro
Size140 × 140 × 25 mm
Speed400–1,700 RPM (PWM)
Airflow81.6 CFM
Static pressure1.61 mmH₂O
Noise33 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-3684 Pro 140mm PWM ARGB Case Fan”, https://vextor7.com/item/3601703 (accessed 2026-10-26).