Hardware Spec Index

Brontix FN-9640 Ultra 120mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN9640-ULTRA · Released 2022 · Updated 2026-10-19

Key facts

Benchmark index1,201 (Case Fans scale)
Category rank#40,807
Street price$39
Power4 W
Performance per dollar30.79
Released2022

Specifications

BrandBrontix
ModelBrontix FN-9640 Ultra
Size120 × 120 × 25 mm
Speed400–2,900 RPM (PWM)
Airflow98.6 CFM
Static pressure3.19 mmH₂O
Noise31 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-9640 Ultra 120mm PWM ARGB Case Fan”, https://vextor7.com/item/6776252 (accessed 2026-10-19).