Hardware Spec Index

Caldera FN-3970 Max 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN3970-MAX · Released 2019 · Updated 2026-10-24

Key facts

Benchmark index682 (Case Fans scale)
Category rank#18,890
Street price$19
Power3 W
Performance per dollar35.89
Released2019

Specifications

BrandCaldera
ModelCaldera FN-3970 Max
Size140 × 140 × 25 mm
Speed400–2,400 RPM (PWM)
Airflow115.2 CFM
Static pressure2.28 mmH₂O
Noise33 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3970 Max 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/15045869 (accessed 2026-10-24).