Hardware Spec Index

Brontix FN-4666 Ultra 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN4666-ULTRA · Released 2026 · Updated 2026-10-23

Key facts

Benchmark index1,329 (Case Fans scale)
Category rank#15,370
Street price$49
Power4 W
Performance per dollar27.12
Released2026

Specifications

BrandBrontix
ModelBrontix FN-4666 Ultra
Size140 × 140 × 25 mm
Speed400–2,500 RPM (PWM)
Airflow120.0 CFM
Static pressure2.38 mmH₂O
Noise32 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4666 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/44555055 (accessed 2026-10-23).