Hardware Spec Index

Caldera FN-6668 Pro 140mm PWM Case Fan

Case Fans · Caldera · SKU FN6668-PRO · Released 2020 · Updated 2026-10-21

Key facts

Benchmark index495 (Case Fans scale)
Category rank#48,182
Street price$19
Power3 W
Performance per dollar26.05
Released2020

Specifications

BrandCaldera
ModelCaldera FN-6668 Pro
Size140 × 140 × 25 mm
Speed200–2,000 RPM (PWM)
Airflow96.0 CFM
Static pressure1.90 mmH₂O
Noise29 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-6668 Pro 140mm PWM Case Fan”, https://vextor7.com/item/9345839 (accessed 2026-10-21).