Hardware Spec Index

Brontix FN-4747 Ultra 120mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN4747-ULTRA · Released 2024 · Updated 2026-10-20

Key facts

Benchmark index730 (Case Fans scale)
Category rank#37,264
Street price$19
Power3 W
Performance per dollar38.42
Released2024

Specifications

BrandBrontix
ModelBrontix FN-4747 Ultra
Size120 × 120 × 25 mm
Speed400–1,700 RPM (PWM)
Airflow57.8 CFM
Static pressure1.87 mmH₂O
Noise27 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4747 Ultra 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/12469713 (accessed 2026-10-20).