Hardware Spec Index

Brontix FN-3647 XT 120mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN3647-XT · Released 2020 · Updated 2026-10-22

Key facts

Benchmark index218 (Case Fans scale)
Category rank#15,327
Street price$9
Power4 W
Performance per dollar24.22
Released2020

Specifications

BrandBrontix
ModelBrontix FN-3647 XT
Size120 × 120 × 25 mm
Speed300–2,600 RPM (PWM)
Airflow88.4 CFM
Static pressure2.86 mmH₂O
Noise29 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3647 XT 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/3077046 (accessed 2026-10-22).