Hardware Spec Index

Corvane FN-4891 Pro 140mm PWM Case Fan

Case Fans · Corvane · SKU FN4891-PRO · Released 2020 · Updated 2026-10-24

Key facts

Benchmark index582 (Case Fans scale)
Category rank#13,969
Street price$19
Power3 W
Performance per dollar30.63
Released2020

Specifications

BrandCorvane
ModelCorvane FN-4891 Pro
Size140 × 140 × 25 mm
Speed500–1,600 RPM (PWM)
Airflow76.8 CFM
Static pressure1.52 mmH₂O
Noise32 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Corvane FN-4891 Pro 140mm PWM Case Fan”, https://vextor7.com/item/19210677 (accessed 2026-10-24).