Hardware Spec Index

Brontix FN-4657 Plus 120mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN4657-PLUS · Released 2020 · Updated 2026-10-25

Key facts

Benchmark index338 (Case Fans scale)
Category rank#6,950
Street price$9
Power4 W
Performance per dollar37.56
Released2020

Specifications

BrandBrontix
ModelBrontix FN-4657 Plus
Size120 × 120 × 25 mm
Speed300–2,700 RPM (PWM)
Airflow91.8 CFM
Static pressure2.97 mmH₂O
Noise27 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4657 Plus 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/7513952 (accessed 2026-10-25).