Hardware Spec Index

Brontix FN-3581 Ultra 120mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN3581-ULTRA · Released 2024 · Updated 2026-10-23

Key facts

Benchmark index898 (Case Fans scale)
Category rank#14,501
Street price$29
Power4 W
Performance per dollar30.97
Released2024

Specifications

BrandBrontix
ModelBrontix FN-3581 Ultra
Size120 × 120 × 25 mm
Speed300–2,900 RPM (PWM)
Airflow98.6 CFM
Static pressure3.19 mmH₂O
Noise33 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3581 Ultra 120mm PWM ARGB Case Fan”, https://vextor7.com/item/54896078 (accessed 2026-10-23).