Hardware Spec Index

Caldera FN-4397 Ultra 120mm PWM Case Fan

Case Fans · Caldera · SKU FN4397-ULTRA · Released 2022 · Updated 2026-10-25

Key facts

Benchmark index531 (Case Fans scale)
Category rank#31,127
Street price$19
Power4 W
Performance per dollar27.95
Released2022

Specifications

BrandCaldera
ModelCaldera FN-4397 Ultra
Size120 × 120 × 25 mm
Speed200–2,600 RPM (PWM)
Airflow88.4 CFM
Static pressure2.86 mmH₂O
Noise31 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4397 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/1531728 (accessed 2026-10-25).