Hardware Spec Index

Brontix FN-4640 SE 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN4640-SE · Released 2023 · Updated 2026-10-25

Key facts

Benchmark index983 (Case Fans scale)
Category rank#2,029
Street price$29
Power3 W
Performance per dollar33.90
Released2023

Specifications

BrandBrontix
ModelBrontix FN-4640 SE
Size140 × 140 × 25 mm
Speed200–1,700 RPM (PWM)
Airflow81.6 CFM
Static pressure1.61 mmH₂O
Noise28 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4640 SE 140mm PWM ARGB Case Fan”, https://vextor7.com/item/17033666 (accessed 2026-10-25).