Hardware Spec Index

Brontix FN-2381 Ultra 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN2381-ULTRA · Released 2023 · Updated 2026-10-19

Key facts

Benchmark index1,308 (Case Fans scale)
Category rank#41,847
Street price$49
Power4 W
Performance per dollar26.69
Released2023

Specifications

BrandBrontix
ModelBrontix FN-2381 Ultra
Size140 × 140 × 25 mm
Speed500–2,500 RPM (PWM)
Airflow120.0 CFM
Static pressure2.38 mmH₂O
Noise35 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-2381 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/800981 (accessed 2026-10-19).