Hardware Spec Index

Caldera FN-3964 Prime 120mm PWM Case Fan

Case Fans · Caldera · SKU FN3964-PRIME · Released 2020 · Updated 2026-10-24

Key facts

Benchmark index275 (Case Fans scale)
Category rank#5,513
Street price$9
Power3 W
Performance per dollar30.56
Released2020

Specifications

BrandCaldera
ModelCaldera FN-3964 Prime
Size120 × 120 × 25 mm
Speed200–2,400 RPM (PWM)
Airflow81.6 CFM
Static pressure2.64 mmH₂O
Noise25 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3964 Prime 120mm PWM Case Fan”, https://vextor7.com/item/9577989 (accessed 2026-10-24).