Hardware Spec Index

Brontix FN-6657 Prime 120mm PWM Case Fan

Case Fans · Brontix · SKU FN6657-PRIME · Released 2021 · Updated 2026-10-23

Key facts

Benchmark index315 (Case Fans scale)
Category rank#46,158
Street price$9
Power4 W
Performance per dollar35.00
Released2021

Specifications

BrandBrontix
ModelBrontix FN-6657 Prime
Size120 × 120 × 25 mm
Speed200–2,600 RPM (PWM)
Airflow88.4 CFM
Static pressure2.86 mmH₂O
Noise24 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-6657 Prime 120mm PWM Case Fan”, https://vextor7.com/item/2361045 (accessed 2026-10-23).