Hardware Spec Index

Brontix FN-4703 Ultra 120mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN4703-ULTRA · Released 2024 · Updated 2026-10-23

Key facts

Benchmark index1,379 (Case Fans scale)
Category rank#13,570
Street price$49
Power4 W
Performance per dollar28.14
Released2024

Specifications

BrandBrontix
ModelBrontix FN-4703 Ultra
Size120 × 120 × 25 mm
Speed500–2,500 RPM (PWM)
Airflow85.0 CFM
Static pressure2.75 mmH₂O
Noise30 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4703 Ultra 120mm PWM ARGB Case Fan”, https://vextor7.com/item/7470137 (accessed 2026-10-23).