Hardware Spec Index

Brontix FN-4347 Ultra 120mm PWM Case Fan

Case Fans · Brontix · SKU FN4347-ULTRA · Released 2022 · Updated 2026-10-19

Key facts

Benchmark index600 (Case Fans scale)
Category rank#12,624
Street price$19
Power4 W
Performance per dollar31.58
Released2022

Specifications

BrandBrontix
ModelBrontix FN-4347 Ultra
Size120 × 120 × 25 mm
Speed200–2,500 RPM (PWM)
Airflow85.0 CFM
Static pressure2.75 mmH₂O
Noise23 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4347 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/9305841 (accessed 2026-10-19).