Hardware Spec Index

Brontix FN-5640 Core 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN5640-CORE · Released 2020 · Updated 2026-10-21

Key facts

Benchmark index1,255 (Case Fans scale)
Category rank#35,391
Street price$39
Power3 W
Performance per dollar32.18
Released2020

Specifications

BrandBrontix
ModelBrontix FN-5640 Core
Size140 × 140 × 25 mm
Speed200–1,600 RPM (PWM)
Airflow76.8 CFM
Static pressure1.52 mmH₂O
Noise28 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-5640 Core 140mm PWM ARGB Case Fan”, https://vextor7.com/item/5352715 (accessed 2026-10-21).