Hardware Spec Index

Brontix FN-4581 Ultra 120mm PWM ARGB Case Fan (3-Pack)

Case Fans · Brontix · SKU FN4581-ULTRA · Released 2023 · Updated 2026-10-24

Key facts

Benchmark index1,235 (Case Fans scale)
Category rank#36,418
Street price$49
Power4 W
Performance per dollar25.20
Released2023

Specifications

BrandBrontix
ModelBrontix FN-4581 Ultra
Size120 × 120 × 25 mm
Speed500–2,600 RPM (PWM)
Airflow88.4 CFM
Static pressure2.86 mmH₂O
Noise33 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 (3-Pack)”, https://vextor7.com/item/2592558 (accessed 2026-10-24).