Hardware Spec Index

Brontix FN-3640 Pro 120mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN3640-PRO · Released 2019 · Updated 2026-10-20

Key facts

Benchmark index1,400 (Case Fans scale)
Category rank#7,884
Street price$49
Power4 W
Performance per dollar28.57
Released2019

Specifications

BrandBrontix
ModelBrontix FN-3640 Pro
Size120 × 120 × 25 mm
Speed200–2,500 RPM (PWM)
Airflow85.0 CFM
Static pressure2.75 mmH₂O
Noise26 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3640 Pro 120mm PWM ARGB Case Fan”, https://vextor7.com/item/11630788 (accessed 2026-10-20).