Hardware Spec Index

Brontix FN-9643 Ultra 120mm PWM ARGB Case Fan (3-Pack)

Case Fans · Brontix · SKU FN9643-ULTRA · Released 2023 · Updated 2026-10-20

Key facts

Benchmark index1,002 (Case Fans scale)
Category rank#37,526
Street price$39
Power3 W
Performance per dollar25.69
Released2023

Specifications

BrandBrontix
ModelBrontix FN-9643 Ultra
Size120 × 120 × 25 mm
Speed300–1,500 RPM (PWM)
Airflow51.0 CFM
Static pressure1.65 mmH₂O
Noise24 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-9643 Ultra 120mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/10137610 (accessed 2026-10-20).