Hardware Spec Index

Brontix FN-9639 Pro 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN9639-PRO · Released 2020 · Updated 2026-10-22

Key facts

Benchmark index1,400 (Case Fans scale)
Category rank#44,409
Street price$49
Power3 W
Performance per dollar28.57
Released2020

Specifications

BrandBrontix
ModelBrontix FN-9639 Pro
Size140 × 140 × 25 mm
Speed500–1,700 RPM (PWM)
Airflow81.6 CFM
Static pressure1.61 mmH₂O
Noise29 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-9639 Pro 140mm PWM ARGB Case Fan”, https://vextor7.com/item/4026191 (accessed 2026-10-22).