Hardware Spec Index

Caldera FN-3934 Ultra 120mm PWM Case Fan

Case Fans · Caldera · SKU FN3934-ULTRA · Released 2019 · Updated 2026-10-20

Key facts

Benchmark index590 (Case Fans scale)
Category rank#5,698
Street price$19
Power3 W
Performance per dollar31.05
Released2019

Specifications

BrandCaldera
ModelCaldera FN-3934 Ultra
Size120 × 120 × 25 mm
Speed400–2,200 RPM (PWM)
Airflow74.8 CFM
Static pressure2.42 mmH₂O
Noise34 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3934 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/7306809 (accessed 2026-10-20).