Hardware Spec Index

Brontix FN-6446 Ultra 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN6446-ULTRA · Released 2025 · Updated 2026-10-20

Key facts

Benchmark index967 (Case Fans scale)
Category rank#17,933
Street price$39
Power4 W
Performance per dollar24.79
Released2025

Specifications

BrandBrontix
ModelBrontix FN-6446 Ultra
Size140 × 140 × 25 mm
Speed300–2,600 RPM (PWM)
Airflow124.8 CFM
Static pressure2.47 mmH₂O
Noise25 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-6446 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/671945 (accessed 2026-10-20).