Hardware Spec Index

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

Case Fans · Caldera · SKU FN3931-CORE · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index1,015 (Case Fans scale)
Category rank#22,234
Street price$29
Power3 W
Performance per dollar35.00
Released2021

Specifications

BrandCaldera
ModelCaldera FN-3931 Core
Size140 × 140 × 25 mm
Speed500–1,500 RPM (PWM)
Airflow72.0 CFM
Static pressure1.43 mmH₂O
Noise35 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3931 Core 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/9103810 (accessed 2026-10-21).