Hardware Spec Index

Brontix FN-4640 SE 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN4640-SE · Released 2022 · Updated 2026-10-19

Key facts

Benchmark index978 (Case Fans scale)
Category rank#48,869
Street price$29
Power4 W
Performance per dollar33.72
Released2022

Specifications

BrandBrontix
ModelBrontix FN-4640 SE
Size140 × 140 × 25 mm
Speed500–3,000 RPM (PWM)
Airflow144.0 CFM
Static pressure2.85 mmH₂O
Noise32 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-4640 SE 140mm PWM ARGB Case Fan”, https://vextor7.com/item/35310 (accessed 2026-10-19).