Hardware Spec Index

Brontix FN-1665 Ultra 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Brontix · SKU FN1665-ULTRA · Released 2026 · Updated 2026-10-22

Key facts

Benchmark index1,164 (Case Fans scale)
Category rank#28,564
Street price$39
Power4 W
Performance per dollar29.85
Released2026

Specifications

BrandBrontix
ModelBrontix FN-1665 Ultra
Size140 × 140 × 25 mm
Speed400–2,800 RPM (PWM)
Airflow134.4 CFM
Static pressure2.66 mmH₂O
Noise26 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-1665 Ultra 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/22011735 (accessed 2026-10-22).