Hardware Spec Index

Brontix FN-3690 Ultra 120mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN3690-ULTRA · Released 2019 · Updated 2026-10-21

Key facts

Benchmark index618 (Case Fans scale)
Category rank#49,707
Street price$19
Power3 W
Performance per dollar32.53
Released2019

Specifications

BrandBrontix
ModelBrontix FN-3690 Ultra
Size120 × 120 × 25 mm
Speed300–2,400 RPM (PWM)
Airflow81.6 CFM
Static pressure2.64 mmH₂O
Noise36 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3690 Ultra 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/15469299 (accessed 2026-10-21).