Hardware Spec Index

Brontix FN-4247 Ultra 120mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN4247-ULTRA · Released 2020 · Updated 2026-10-24

Key facts

Benchmark index1,147 (Case Fans scale)
Category rank#6,321
Street price$39
Power3 W
Performance per dollar29.41
Released2020

Specifications

BrandBrontix
ModelBrontix FN-4247 Ultra
Size120 × 120 × 25 mm
Speed500–1,800 RPM (PWM)
Airflow61.2 CFM
Static pressure1.98 mmH₂O
Noise24 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4247 Ultra 120mm PWM ARGB Case Fan”, https://vextor7.com/item/20065440 (accessed 2026-10-24).