Hardware Spec Index

Brontix FN-5581 Ultra 120mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN5581-ULTRA · Released 2019 · Updated 2026-10-24

Key facts

Benchmark index1,352 (Case Fans scale)
Category rank#30,334
Street price$49
Power4 W
Performance per dollar27.59
Released2019

Specifications

BrandBrontix
ModelBrontix FN-5581 Ultra
Size120 × 120 × 25 mm
Speed400–2,700 RPM (PWM)
Airflow91.8 CFM
Static pressure2.97 mmH₂O
Noise24 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-5581 Ultra 120mm PWM ARGB Case Fan”, https://vextor7.com/item/5207997 (accessed 2026-10-24).