Hardware Spec Index

Brontix FN-4640 Plus 120mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN4640-PLUS · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index1,326 (Case Fans scale)
Category rank#6,039
Street price$49
Power3 W
Performance per dollar27.06
Released2021

Specifications

BrandBrontix
ModelBrontix FN-4640 Plus
Size120 × 120 × 25 mm
Speed400–2,400 RPM (PWM)
Airflow81.6 CFM
Static pressure2.64 mmH₂O
Noise28 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-4640 Plus 120mm PWM ARGB Case Fan”, https://vextor7.com/item/7093480 (accessed 2026-10-22).