Hardware Spec Index

Zephyra FN-3947 Pro 120mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN3947-PRO · Released 2026 · Updated 2026-10-23

Key facts

Benchmark index1,396 (Case Fans scale)
Category rank#6,881
Street price$49
Power4 W
Performance per dollar28.49
Released2026

Specifications

BrandZephyra
ModelZephyra FN-3947 Pro
Size120 × 120 × 25 mm
Speed200–2,500 RPM (PWM)
Airflow85.0 CFM
Static pressure2.75 mmH₂O
Noise30 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3947 Pro 120mm PWM ARGB Case Fan”, https://vextor7.com/item/9243994 (accessed 2026-10-23).