Hardware Spec Index

Corvane FN-4977 Ultra 120mm PWM Case Fan

Case Fans · Corvane · SKU FN4977-ULTRA · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index753 (Case Fans scale)
Category rank#47,373
Street price$19
Power3 W
Performance per dollar39.63
Released2021

Specifications

BrandCorvane
ModelCorvane FN-4977 Ultra
Size120 × 120 × 25 mm
Speed300–1,900 RPM (PWM)
Airflow64.6 CFM
Static pressure2.09 mmH₂O
Noise34 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Corvane FN-4977 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/43667287 (accessed 2026-10-20).