Hardware Spec Index

Caldera FN-3971 Ultra 120mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN3971-ULTRA · Released 2023 · Updated 2026-10-24

Key facts

Benchmark index1,136 (Case Fans scale)
Category rank#40,516
Street price$39
Power3 W
Performance per dollar29.13
Released2023

Specifications

BrandCaldera
ModelCaldera FN-3971 Ultra
Size120 × 120 × 25 mm
Speed400–2,000 RPM (PWM)
Airflow68.0 CFM
Static pressure2.20 mmH₂O
Noise33 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-3971 Ultra 120mm PWM ARGB Case Fan”, https://vextor7.com/item/5862876 (accessed 2026-10-24).