Hardware Spec Index

Brontix FN-4209 Ultra 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Brontix · SKU FN4209-ULTRA · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index870 (Case Fans scale)
Category rank#16,622
Street price$29
Power3 W
Performance per dollar30.00
Released2021

Specifications

BrandBrontix
ModelBrontix FN-4209 Ultra
Size140 × 140 × 25 mm
Speed300–1,900 RPM (PWM)
Airflow91.2 CFM
Static pressure1.80 mmH₂O
Noise34 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4209 Ultra 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/283798 (accessed 2026-10-22).