Hardware Spec Index

Caldera FN-4447 Ultra 140mm PWM Case Fan

Case Fans · Caldera · SKU FN4447-ULTRA · Released 2025 · Updated 2026-10-19

Key facts

Benchmark index326 (Case Fans scale)
Category rank#33,548
Street price$9
Power3 W
Performance per dollar36.22
Released2025

Specifications

BrandCaldera
ModelCaldera FN-4447 Ultra
Size140 × 140 × 25 mm
Speed400–2,300 RPM (PWM)
Airflow110.4 CFM
Static pressure2.19 mmH₂O
Noise27 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4447 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/41009911 (accessed 2026-10-19).