Hardware Spec Index

Corvane FN-3847 Ultra 120mm PWM Case Fan (3-Pack)

Case Fans · Corvane · SKU FN3847-ULTRA · Released 2021 · Updated 2026-10-25

Key facts

Benchmark index239 (Case Fans scale)
Category rank#2,219
Street price$9
Power3 W
Performance per dollar26.56
Released2021

Specifications

BrandCorvane
ModelCorvane FN-3847 Ultra
Size120 × 120 × 25 mm
Speed400–1,800 RPM (PWM)
Airflow61.2 CFM
Static pressure1.98 mmH₂O
Noise34 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Corvane FN-3847 Ultra 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/1642067 (accessed 2026-10-25).