Hardware Spec Index

Corvane FN-1581 Ultra 140mm PWM Case Fan

Case Fans · Corvane · SKU FN1581-ULTRA · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index324 (Case Fans scale)
Category rank#9,273
Street price$9
Power4 W
Performance per dollar36.00
Released2020

Specifications

BrandCorvane
ModelCorvane FN-1581 Ultra
Size140 × 140 × 25 mm
Speed300–2,800 RPM (PWM)
Airflow134.4 CFM
Static pressure2.66 mmH₂O
Noise27 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Corvane FN-1581 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/14735697 (accessed 2026-10-19).