Hardware Spec Index

Caldera FN-3947 Edge 120mm PWM Case Fan

Case Fans · Caldera · SKU FN3947-EDGE · Released 2019 · Updated 2026-10-23

Key facts

Benchmark index606 (Case Fans scale)
Category rank#14,243
Street price$19
Power4 W
Performance per dollar31.89
Released2019

Specifications

BrandCaldera
ModelCaldera FN-3947 Edge
Size120 × 120 × 25 mm
Speed200–2,600 RPM (PWM)
Airflow88.4 CFM
Static pressure2.86 mmH₂O
Noise29 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3947 Edge 120mm PWM Case Fan”, https://vextor7.com/item/2861390 (accessed 2026-10-23).