Hardware Spec Index

Corvane FN-1856 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Corvane · SKU FN1856-ULTRA · Released 2022 · Updated 2026-10-20

Key facts

Benchmark index512 (Case Fans scale)
Category rank#36,837
Street price$19
Power4 W
Performance per dollar26.95
Released2022

Specifications

BrandCorvane
ModelCorvane FN-1856 Ultra
Size140 × 140 × 25 mm
Speed500–3,000 RPM (PWM)
Airflow144.0 CFM
Static pressure2.85 mmH₂O
Noise30 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Corvane FN-1856 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/3222136 (accessed 2026-10-20).