Hardware Spec Index

Caldera FN-4405 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN4405-ULTRA · Released 2022 · Updated 2026-10-19

Key facts

Benchmark index628 (Case Fans scale)
Category rank#12,387
Street price$19
Power3 W
Performance per dollar33.05
Released2022

Specifications

BrandCaldera
ModelCaldera FN-4405 Ultra
Size140 × 140 × 25 mm
Speed400–1,500 RPM (PWM)
Airflow72.0 CFM
Static pressure1.43 mmH₂O
Noise27 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4405 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/19711997 (accessed 2026-10-19).