Hardware Spec Index

Corvane FN-1858 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Corvane · SKU FN1858-ULTRA · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index624 (Case Fans scale)
Category rank#34,591
Street price$19
Power3 W
Performance per dollar32.84
Released2021

Specifications

BrandCorvane
ModelCorvane FN-1858 Ultra
Size140 × 140 × 25 mm
Speed300–2,300 RPM (PWM)
Airflow110.4 CFM
Static pressure2.19 mmH₂O
Noise24 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Corvane FN-1858 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/517772 (accessed 2026-10-19).