Hardware Spec Index

Corvane FN-3991 Edge 140mm PWM Case Fan

Case Fans · Corvane · SKU FN3991-EDGE · Released 2023 · Updated 2026-10-25

Key facts

Benchmark index213 (Case Fans scale)
Category rank#31,686
Street price$9
Power2 W
Performance per dollar23.67
Released2023

Specifications

BrandCorvane
ModelCorvane FN-3991 Edge
Size140 × 140 × 25 mm
Speed400–1,400 RPM (PWM)
Airflow67.2 CFM
Static pressure1.33 mmH₂O
Noise25 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Corvane FN-3991 Edge 140mm PWM Case Fan”, https://vextor7.com/item/46561044 (accessed 2026-10-25).