Hardware Spec Index

Brontix FN-4650 Ultra 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN4650-ULTRA · Released 2023 · Updated 2026-10-25

Key facts

Benchmark index1,155 (Case Fans scale)
Category rank#4,923
Street price$39
Power3 W
Performance per dollar29.62
Released2023

Specifications

BrandBrontix
ModelBrontix FN-4650 Ultra
Size140 × 140 × 25 mm
Speed300–1,500 RPM (PWM)
Airflow72.0 CFM
Static pressure1.43 mmH₂O
Noise22 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-4650 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/84556985 (accessed 2026-10-25).