Hardware Spec Index

Brontix FN-6658 Pro 140mm PWM Case Fan

Case Fans · Brontix · SKU FN6658-PRO · Released 2020 · Updated 2026-10-24

Key facts

Benchmark index578 (Case Fans scale)
Category rank#6,203
Street price$19
Power3 W
Performance per dollar30.42
Released2020

Specifications

BrandBrontix
ModelBrontix FN-6658 Pro
Size140 × 140 × 25 mm
Speed400–2,200 RPM (PWM)
Airflow105.6 CFM
Static pressure2.09 mmH₂O
Noise35 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-6658 Pro 140mm PWM Case Fan”, https://vextor7.com/item/90146217 (accessed 2026-10-24).