Hardware Spec Index

Brontix FN-9021 Ultra 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN9021-ULTRA · Released 2022 · Updated 2026-10-22

Key facts

Benchmark index1,307 (Case Fans scale)
Category rank#20,368
Street price$49
Power4 W
Performance per dollar26.67
Released2022

Specifications

BrandBrontix
ModelBrontix FN-9021 Ultra
Size140 × 140 × 25 mm
Speed300–2,700 RPM (PWM)
Airflow129.6 CFM
Static pressure2.56 mmH₂O
Noise34 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-9021 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/5368693 (accessed 2026-10-22).