Hardware Spec Index

Caldera FN-4666 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN4666-ULTRA · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index611 (Case Fans scale)
Category rank#47,271
Street price$19
Power4 W
Performance per dollar32.16
Released2020

Specifications

BrandCaldera
ModelCaldera FN-4666 Ultra
Size140 × 140 × 25 mm
Speed400–2,500 RPM (PWM)
Airflow120.0 CFM
Static pressure2.38 mmH₂O
Noise32 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4666 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/397640 (accessed 2026-10-19).