Hardware Spec Index

Brontix FN-5657 Prime 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN5657-PRIME · Released 2020 · Updated 2026-10-22

Key facts

Benchmark index852 (Case Fans scale)
Category rank#19,949
Street price$29
Power3 W
Performance per dollar29.38
Released2020

Specifications

BrandBrontix
ModelBrontix FN-5657 Prime
Size140 × 140 × 25 mm
Speed200–1,500 RPM (PWM)
Airflow72.0 CFM
Static pressure1.43 mmH₂O
Noise36 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-5657 Prime 140mm PWM ARGB Case Fan”, https://vextor7.com/item/53665813 (accessed 2026-10-22).