Hardware Spec Index

Caldera FN-6663 Ultra 140mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN6663-ULTRA · Released 2020 · Updated 2026-10-18

Key facts

Benchmark index813 (Case Fans scale)
Category rank#15,737
Street price$29
Power3 W
Performance per dollar28.03
Released2020

Specifications

BrandCaldera
ModelCaldera FN-6663 Ultra
Size140 × 140 × 25 mm
Speed400–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise22 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-6663 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/915560 (accessed 2026-10-18).