Hardware Spec Index

Corvane FN-4891 Ultra 120mm PWM Case Fan

Case Fans · Corvane · SKU FN4891-ULTRA · Released 2020 · Updated 2026-10-23

Key facts

Benchmark index669 (Case Fans scale)
Category rank#7,574
Street price$19
Power4 W
Performance per dollar35.21
Released2020

Specifications

BrandCorvane
ModelCorvane FN-4891 Ultra
Size120 × 120 × 25 mm
Speed300–2,500 RPM (PWM)
Airflow85.0 CFM
Static pressure2.75 mmH₂O
Noise35 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Corvane FN-4891 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/89082021 (accessed 2026-10-23).