Hardware Spec Index

Brontix FN-2581 Ultra 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Brontix · SKU FN2581-ULTRA · Released 2019 · Updated 2026-10-22

Key facts

Benchmark index1,241 (Case Fans scale)
Category rank#39,678
Street price$39
Power4 W
Performance per dollar31.82
Released2019

Specifications

BrandBrontix
ModelBrontix FN-2581 Ultra
Size140 × 140 × 25 mm
Speed500–2,700 RPM (PWM)
Airflow129.6 CFM
Static pressure2.56 mmH₂O
Noise35 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-2581 Ultra 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/7250550 (accessed 2026-10-22).