Hardware Spec Index

Caldera FN-1664 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN1664-ULTRA · Released 2026 · Updated 2026-10-23

Key facts

Benchmark index231 (Case Fans scale)
Category rank#21,651
Street price$9
Power3 W
Performance per dollar25.67
Released2026

Specifications

BrandCaldera
ModelCaldera FN-1664 Ultra
Size140 × 140 × 25 mm
Speed500–1,500 RPM (PWM)
Airflow72.0 CFM
Static pressure1.43 mmH₂O
Noise23 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-1664 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/7540674 (accessed 2026-10-23).