Hardware Spec Index

Brontix FN-3684 XT 120mm PWM Case Fan

Case Fans · Brontix · SKU FN3684-XT · Released 2019 · Updated 2026-10-25

Key facts

Benchmark index631 (Case Fans scale)
Category rank#40,554
Street price$19
Power4 W
Performance per dollar33.21
Released2019

Specifications

BrandBrontix
ModelBrontix FN-3684 XT
Size120 × 120 × 25 mm
Speed500–2,800 RPM (PWM)
Airflow95.2 CFM
Static pressure3.08 mmH₂O
Noise36 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3684 XT 120mm PWM Case Fan”, https://vextor7.com/item/54777229 (accessed 2026-10-25).