Hardware Spec Index

Caldera FN-3840 XT 120mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN3840-XT · Released 2023 · Updated 2026-10-23

Key facts

Benchmark index417 (Case Fans scale)
Category rank#39,629
Street price$9
Power2 W
Performance per dollar46.33
Released2023

Specifications

BrandCaldera
ModelCaldera FN-3840 XT
Size120 × 120 × 25 mm
Speed500–1,400 RPM (PWM)
Airflow47.6 CFM
Static pressure1.54 mmH₂O
Noise33 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3840 XT 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/91660989 (accessed 2026-10-23).