Hardware Spec Index

Caldera FN-3940 SE 120mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN3940-SE · Released 2020 · Updated 2026-10-23

Key facts

Benchmark index801 (Case Fans scale)
Category rank#16,960
Street price$19
Power4 W
Performance per dollar42.16
Released2020

Specifications

BrandCaldera
ModelCaldera FN-3940 SE
Size120 × 120 × 25 mm
Speed200–2,800 RPM (PWM)
Airflow95.2 CFM
Static pressure3.08 mmH₂O
Noise29 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3940 SE 120mm PWM ARGB Case Fan”, https://vextor7.com/item/1044951 (accessed 2026-10-23).