Hardware Spec Index

Brontix FN-4661 Ultra 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN4661-ULTRA · Released 2025 · Updated 2026-10-21

Key facts

Benchmark index1,007 (Case Fans scale)
Category rank#34,669
Street price$29
Power4 W
Performance per dollar34.72
Released2025

Specifications

BrandBrontix
ModelBrontix FN-4661 Ultra
Size140 × 140 × 25 mm
Speed300–2,800 RPM (PWM)
Airflow134.4 CFM
Static pressure2.66 mmH₂O
Noise25 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4661 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/17643237 (accessed 2026-10-21).