Hardware Spec Index

Caldera FN-3931 XT 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN3931-XT · Released 2019 · Updated 2026-10-21

Key facts

Benchmark index489 (Case Fans scale)
Category rank#38,029
Street price$19
Power4 W
Performance per dollar25.74
Released2019

Specifications

BrandCaldera
ModelCaldera FN-3931 XT
Size140 × 140 × 25 mm
Speed300–2,800 RPM (PWM)
Airflow134.4 CFM
Static pressure2.66 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-3931 XT 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/4586017 (accessed 2026-10-21).