Hardware Spec Index

Brontix FN-4657 Prime 120mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN4657-PRIME · Released 2020 · Updated 2026-10-26

Key facts

Benchmark index991 (Case Fans scale)
Category rank#20,011
Street price$29
Power3 W
Performance per dollar34.17
Released2020

Specifications

BrandBrontix
ModelBrontix FN-4657 Prime
Size120 × 120 × 25 mm
Speed400–2,300 RPM (PWM)
Airflow78.2 CFM
Static pressure2.53 mmH₂O
Noise36 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4657 Prime 120mm PWM ARGB Case Fan”, https://vextor7.com/item/7361630 (accessed 2026-10-26).