Hardware Spec Index

Caldera FN-4663 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN4663-ULTRA · Released 2019 · Updated 2026-10-26

Key facts

Benchmark index233 (Case Fans scale)
Category rank#10,521
Street price$9
Power4 W
Performance per dollar25.89
Released2019

Specifications

BrandCaldera
ModelCaldera FN-4663 Ultra
Size140 × 140 × 25 mm
Speed200–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise26 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4663 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/3150573 (accessed 2026-10-26).