Hardware Spec Index

Caldera FN-3931 Ultra 120mm PWM ARGB Case Fan (3-Pack)

Case Fans · Caldera · SKU FN3931-ULTRA · Released 2024 · Updated 2026-10-26

Key facts

Benchmark index897 (Case Fans scale)
Category rank#41,926
Street price$29
Power3 W
Performance per dollar30.93
Released2024

Specifications

BrandCaldera
ModelCaldera FN-3931 Ultra
Size120 × 120 × 25 mm
Speed500–2,300 RPM (PWM)
Airflow78.2 CFM
Static pressure2.53 mmH₂O
Noise28 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3931 Ultra 120mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/1858487 (accessed 2026-10-26).