Hardware Spec Index

Caldera FN-3866 Ultra 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Caldera · SKU FN3866-ULTRA · Released 2024 · Updated 2026-10-22

Key facts

Benchmark index819 (Case Fans scale)
Category rank#7,153
Street price$29
Power3 W
Performance per dollar28.24
Released2024

Specifications

BrandCaldera
ModelCaldera FN-3866 Ultra
Size140 × 140 × 25 mm
Speed400–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise35 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3866 Ultra 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/63317108 (accessed 2026-10-22).