Hardware Spec Index

Brontix FN-4581 Ultra 120mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN4581-ULTRA · Released 2022 · Updated 2026-10-21

Key facts

Benchmark index1,057 (Case Fans scale)
Category rank#22,358
Street price$29
Power3 W
Performance per dollar36.45
Released2022

Specifications

BrandBrontix
ModelBrontix FN-4581 Ultra
Size120 × 120 × 25 mm
Speed200–1,700 RPM (PWM)
Airflow57.8 CFM
Static pressure1.87 mmH₂O
Noise24 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-4581 Ultra 120mm PWM ARGB Case Fan”, https://vextor7.com/item/11245441 (accessed 2026-10-21).