Hardware Spec Index

Brontix FN-4381 Ultra 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN4381-ULTRA · Released 2023 · Updated 2026-10-24

Key facts

Benchmark index824 (Case Fans scale)
Category rank#15,624
Street price$29
Power3 W
Performance per dollar28.41
Released2023

Specifications

BrandBrontix
ModelBrontix FN-4381 Ultra
Size140 × 140 × 25 mm
Speed400–2,300 RPM (PWM)
Airflow110.4 CFM
Static pressure2.19 mmH₂O
Noise27 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4381 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/97055860 (accessed 2026-10-24).