Hardware Spec Index

Zephyra FN-3947 Core 120mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN3947-CORE · Released 2023 · Updated 2026-10-20

Key facts

Benchmark index897 (Case Fans scale)
Category rank#45,078
Street price$29
Power4 W
Performance per dollar30.93
Released2023

Specifications

BrandZephyra
ModelZephyra FN-3947 Core
Size120 × 120 × 25 mm
Speed500–2,500 RPM (PWM)
Airflow85.0 CFM
Static pressure2.75 mmH₂O
Noise32 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3947 Core 120mm PWM ARGB Case Fan”, https://vextor7.com/item/376545 (accessed 2026-10-20).