Hardware Spec Index

Caldera FN-3900 Ultra 120mm PWM Case Fan

Case Fans · Caldera · SKU FN3900-ULTRA · Released 2020 · Updated 2026-10-25

Key facts

Benchmark index573 (Case Fans scale)
Category rank#5,820
Street price$19
Power3 W
Performance per dollar30.16
Released2020

Specifications

BrandCaldera
ModelCaldera FN-3900 Ultra
Size120 × 120 × 25 mm
Speed500–2,100 RPM (PWM)
Airflow71.4 CFM
Static pressure2.31 mmH₂O
Noise22 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3900 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/94818752 (accessed 2026-10-25).