Hardware Spec Index

Brontix FN-4247 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN4247-ULTRA · Released 2024 · Updated 2026-10-22

Key facts

Benchmark index438 (Case Fans scale)
Category rank#43,667
Street price$19
Power4 W
Performance per dollar23.05
Released2024

Specifications

BrandBrontix
ModelBrontix FN-4247 Ultra
Size140 × 140 × 25 mm
Speed500–3,000 RPM (PWM)
Airflow144.0 CFM
Static pressure2.85 mmH₂O
Noise27 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4247 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/62811468 (accessed 2026-10-22).