Hardware Spec Index

Brontix FN-6657 Pro 120mm PWM Case Fan

Case Fans · Brontix · SKU FN6657-PRO · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index400 (Case Fans scale)
Category rank#35,328
Street price$19
Power3 W
Performance per dollar21.05
Released2020

Specifications

BrandBrontix
ModelBrontix FN-6657 Pro
Size120 × 120 × 25 mm
Speed200–1,800 RPM (PWM)
Airflow61.2 CFM
Static pressure1.98 mmH₂O
Noise34 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

Related guides

AIO Liquid Cooling vs Air Cooling for CPUs

Similar Case Fans

ModelBenchmarkPriceCompare
Brontix FN-4869 Ultra 120mm PWM ARGB Case Fan994$29Compare
Caldera FN-8879 Edge 120mm PWM Case Fan775$19Compare
Zephyra FN-4226 Ti 120mm PWM Case Fan (3-Pack)532$19Compare
Brontix FN-6213 Ultra 120mm PWM ARGB Case Fan (3-Pack)929$29Compare
Brontix FN-8984 Ultra 120mm PWM ARGB Case Fan1,399$49Compare
Zephyra FN-9069 Max 120mm PWM Case Fan (3-Pack)250$9Compare

All Case Fans · JSON

Cite this page: Hardware Spec Index, “Brontix FN-6657 Pro 120mm PWM Case Fan”, https://vextor7.com/item/58772632 (accessed 2026-10-20).