Hardware Spec Index

Corvane FN-3947 Prime 140mm PWM Case Fan

Case Fans · Corvane · SKU FN3947-PRIME · Released 2019 · Updated 2026-10-23

Key facts

Benchmark index811 (Case Fans scale)
Category rank#39,815
Street price$19
Power4 W
Performance per dollar42.68
Released2019

Specifications

BrandCorvane
ModelCorvane FN-3947 Prime
Size140 × 140 × 25 mm
Speed500–2,700 RPM (PWM)
Airflow129.6 CFM
Static pressure2.56 mmH₂O
Noise25 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Corvane FN-3947 Prime 140mm PWM Case Fan”, https://vextor7.com/item/710945 (accessed 2026-10-23).