Hardware Spec Index

Corvane FN-8491 Ultra 120mm PWM Case Fan (3-Pack)

Case Fans · Corvane · SKU FN8491-ULTRA · Released 2022 · Updated 2026-10-25

Key facts

Benchmark index741 (Case Fans scale)
Category rank#21,079
Street price$19
Power4 W
Performance per dollar39.00
Released2022

Specifications

BrandCorvane
ModelCorvane FN-8491 Ultra
Size120 × 120 × 25 mm
Speed400–2,500 RPM (PWM)
Airflow85.0 CFM
Static pressure2.75 mmH₂O
Noise34 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Corvane FN-8491 Ultra 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/3087647 (accessed 2026-10-25).