Hardware Spec Index

Corvane FN-4577 Ultra 140mm PWM Case Fan

Case Fans · Corvane · SKU FN4577-ULTRA · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index322 (Case Fans scale)
Category rank#36,321
Street price$9
Power4 W
Performance per dollar35.78
Released2020

Specifications

BrandCorvane
ModelCorvane FN-4577 Ultra
Size140 × 140 × 25 mm
Speed300–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise36 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Corvane FN-4577 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/20043904 (accessed 2026-10-20).