Hardware Spec Index

Corvane FN-6657 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Corvane · SKU FN6657-ULTRA · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index709 (Case Fans scale)
Category rank#17,137
Street price$19
Power3 W
Performance per dollar37.32
Released2020

Specifications

BrandCorvane
ModelCorvane FN-6657 Ultra
Size140 × 140 × 25 mm
Speed400–1,600 RPM (PWM)
Airflow76.8 CFM
Static pressure1.52 mmH₂O
Noise24 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Corvane FN-6657 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/45919356 (accessed 2026-10-19).