Hardware Spec Index

Caldera FN-3990 XT 120mm PWM Case Fan

Case Fans · Caldera · SKU FN3990-XT · Released 2024 · Updated 2026-10-25

Key facts

Benchmark index492 (Case Fans scale)
Category rank#23,739
Street price$19
Power3 W
Performance per dollar25.89
Released2024

Specifications

BrandCaldera
ModelCaldera FN-3990 XT
Size120 × 120 × 25 mm
Speed200–2,200 RPM (PWM)
Airflow74.8 CFM
Static pressure2.42 mmH₂O
Noise36 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3990 XT 120mm PWM Case Fan”, https://vextor7.com/item/54771254 (accessed 2026-10-25).