Hardware Spec Index

Caldera FN-3970 Pro 140mm PWM Case Fan

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

Key facts

Benchmark index798 (Case Fans scale)
Category rank#28,449
Street price$29
Power4 W
Performance per dollar27.52
Released2025

Specifications

BrandCaldera
ModelCaldera FN-3970 Pro
Size140 × 140 × 25 mm
Speed200–2,700 RPM (PWM)
Airflow129.6 CFM
Static pressure2.56 mmH₂O
Noise36 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3970 Pro 140mm PWM Case Fan”, https://vextor7.com/item/76978673 (accessed 2026-10-25).