Hardware Spec Index

Corvane FN-4857 Ultra 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Corvane · SKU FN4857-ULTRA · Released 2019 · Updated 2026-10-20

Key facts

Benchmark index1,234 (Case Fans scale)
Category rank#18,132
Street price$39
Power4 W
Performance per dollar31.64
Released2019

Specifications

BrandCorvane
ModelCorvane FN-4857 Ultra
Size140 × 140 × 25 mm
Speed500–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise22 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Corvane FN-4857 Ultra 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/12802485 (accessed 2026-10-20).