Hardware Spec Index

Brontix FN-5566 Ultra 120mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN5566-ULTRA · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index641 (Case Fans scale)
Category rank#30,504
Street price$19
Power3 W
Performance per dollar33.74
Released2021

Specifications

BrandBrontix
ModelBrontix FN-5566 Ultra
Size120 × 120 × 25 mm
Speed400–1,800 RPM (PWM)
Airflow61.2 CFM
Static pressure1.98 mmH₂O
Noise34 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-5566 Ultra 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/73315400 (accessed 2026-10-20).