Hardware Spec Index

Brontix FN-3686 Prime 120mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN3686-PRIME · Released 2025 · Updated 2026-10-19

Key facts

Benchmark index642 (Case Fans scale)
Category rank#16,640
Street price$19
Power3 W
Performance per dollar33.79
Released2025

Specifications

BrandBrontix
ModelBrontix FN-3686 Prime
Size120 × 120 × 25 mm
Speed400–2,400 RPM (PWM)
Airflow81.6 CFM
Static pressure2.64 mmH₂O
Noise36 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3686 Prime 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/17547900 (accessed 2026-10-19).