Hardware Spec Index

Caldera FN-5666 Prime 140mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN5666-PRIME · Released 2022 · Updated 2026-10-22

Key facts

Benchmark index926 (Case Fans scale)
Category rank#27,908
Street price$29
Power4 W
Performance per dollar31.93
Released2022

Specifications

BrandCaldera
ModelCaldera FN-5666 Prime
Size140 × 140 × 25 mm
Speed200–2,600 RPM (PWM)
Airflow124.8 CFM
Static pressure2.47 mmH₂O
Noise31 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-5666 Prime 140mm PWM ARGB Case Fan”, https://vextor7.com/item/20120245 (accessed 2026-10-22).