Hardware Spec Index

Corvane FN-4581 Ultra 120mm PWM Case Fan

Case Fans · Corvane · SKU FN4581-ULTRA · Released 2020 · Updated 2026-10-22

Key facts

Benchmark index723 (Case Fans scale)
Category rank#41,976
Street price$19
Power4 W
Performance per dollar38.05
Released2020

Specifications

BrandCorvane
ModelCorvane FN-4581 Ultra
Size120 × 120 × 25 mm
Speed400–2,800 RPM (PWM)
Airflow95.2 CFM
Static pressure3.08 mmH₂O
Noise22 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Corvane FN-4581 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/8947327 (accessed 2026-10-22).