Hardware Spec Index

Caldera FN-3944 Ultra 120mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN3944-ULTRA · Released 2021 · Updated 2026-10-25

Key facts

Benchmark index555 (Case Fans scale)
Category rank#145
Street price$19
Power2 W
Performance per dollar29.21
Released2021

Specifications

BrandCaldera
ModelCaldera FN-3944 Ultra
Size120 × 120 × 25 mm
Speed500–1,400 RPM (PWM)
Airflow47.6 CFM
Static pressure1.54 mmH₂O
Noise33 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3944 Ultra 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/17286404 (accessed 2026-10-25).