Hardware Spec Index

Brontix FN-3661 Pro 120mm PWM Case Fan

Case Fans · Brontix · SKU FN3661-PRO · Released 2023 · Updated 2026-10-22

Key facts

Benchmark index363 (Case Fans scale)
Category rank#40,861
Street price$9
Power3 W
Performance per dollar40.33
Released2023

Specifications

BrandBrontix
ModelBrontix FN-3661 Pro
Size120 × 120 × 25 mm
Speed300–2,400 RPM (PWM)
Airflow81.6 CFM
Static pressure2.64 mmH₂O
Noise27 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3661 Pro 120mm PWM Case Fan”, https://vextor7.com/item/7258562 (accessed 2026-10-22).