Hardware Spec Index

Brontix FN-4205 Ultra 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN4205-ULTRA · Released 2023 · Updated 2026-10-26

Key facts

Benchmark index1,287 (Case Fans scale)
Category rank#17,198
Street price$49
Power3 W
Performance per dollar26.27
Released2023

Specifications

BrandBrontix
ModelBrontix FN-4205 Ultra
Size140 × 140 × 25 mm
Speed500–1,500 RPM (PWM)
Airflow72.0 CFM
Static pressure1.43 mmH₂O
Noise29 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4205 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/19985636 (accessed 2026-10-26).