Hardware Spec Index

Brontix FN-5447 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN5447-ULTRA · Released 2025 · Updated 2026-10-25

Key facts

Benchmark index411 (Case Fans scale)
Category rank#47,342
Street price$9
Power4 W
Performance per dollar45.67
Released2025

Specifications

BrandBrontix
ModelBrontix FN-5447 Ultra
Size140 × 140 × 25 mm
Speed500–2,800 RPM (PWM)
Airflow134.4 CFM
Static pressure2.66 mmH₂O
Noise34 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-5447 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/7610995 (accessed 2026-10-25).