Hardware Spec Index

Brontix FN-9640 Pro 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Brontix · SKU FN9640-PRO · Released 2024 · Updated 2026-10-20

Key facts

Benchmark index968 (Case Fans scale)
Category rank#45,027
Street price$29
Power4 W
Performance per dollar33.38
Released2024

Specifications

BrandBrontix
ModelBrontix FN-9640 Pro
Size140 × 140 × 25 mm
Speed200–3,000 RPM (PWM)
Airflow144.0 CFM
Static pressure2.85 mmH₂O
Noise35 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-9640 Pro 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/3788959 (accessed 2026-10-20).