Hardware Spec Index

Caldera FN-3966 Pro 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN3966-PRO · Released 2026 · Updated 2026-10-25

Key facts

Benchmark index222 (Case Fans scale)
Category rank#3,325
Street price$9
Power3 W
Performance per dollar24.67
Released2026

Specifications

BrandCaldera
ModelCaldera FN-3966 Pro
Size140 × 140 × 25 mm
Speed200–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise35 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3966 Pro 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/95298408 (accessed 2026-10-25).