Hardware Spec Index

Brontix FN-5665 Pro 120mm PWM Case Fan

Case Fans · Brontix · SKU FN5665-PRO · Released 2026 · Updated 2026-10-20

Key facts

Benchmark index209 (Case Fans scale)
Category rank#46,891
Street price$9
Power4 W
Performance per dollar23.22
Released2026

Specifications

BrandBrontix
ModelBrontix FN-5665 Pro
Size120 × 120 × 25 mm
Speed500–2,600 RPM (PWM)
Airflow88.4 CFM
Static pressure2.86 mmH₂O
Noise33 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-5665 Pro 120mm PWM Case Fan”, https://vextor7.com/item/95968222 (accessed 2026-10-20).