Hardware Spec Index

Caldera FN-3970 Max 140mm PWM Case Fan

Case Fans · Caldera · SKU FN3970-MAX · Released 2025 · Updated 2026-10-25

Key facts

Benchmark index466 (Case Fans scale)
Category rank#16,833
Street price$19
Power2 W
Performance per dollar24.53
Released2025

Specifications

BrandCaldera
ModelCaldera FN-3970 Max
Size140 × 140 × 25 mm
Speed500–1,400 RPM (PWM)
Airflow67.2 CFM
Static pressure1.33 mmH₂O
Noise30 dBA
BearingFluid dynamic bearing
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”, https://vextor7.com/item/3847844 (accessed 2026-10-25).